| 单词 | supernova |
| 例句 | A supernova occurs when the gravitational force of a star’s core becomes greater than the star's energy output. We Are the Ants 2016-01-19T00:00:00Z “Do you want to look at Cassiopeia with me? One of the stars in the system is going supernova. When it explodes it will be twenty times brighter than usual.” A Mango-Shaped Space 2003-04-16T00:00:00Z Hermes glowed with the light of a supernova. The Last Olympian 2009-05-05T00:00:00Z Knowing I would launch anything on my physical person—coins; old friendship bracelets; the rake—thirty feet in every direction, like a supernova star explosion. Better Nate Than Ever 2013-02-05T00:00:00Z There had been an even brighter supernova in 1006, but there was no mention of it in the books known to him. The Invention of Science 2015-09-17T00:00:00Z In 1957, working with others, Hoyle showed how the heavier elements were formed in supernova explosions. A Short History of Nearly Everything 2003-05-06T00:00:00Z Such a binary is called a nova and has quite a different origin from a supernova. Cosmos 1980-01-01T00:00:00Z Second: The existence of certain varieties of heavy atoms on the Earth suggests that there was a nearby supernova explosion shortly before the solar system was formed. Cosmos 1980-01-01T00:00:00Z Thomas also studied the heavens himself, and made observations of a supernova seen in 1572, some of which were used by Tycho Brahe in his analysis of that event. The Scientists 2003-10-21T00:00:00Z If they are very far, they must be intrinsically extremely bright to be visible over such distances; some are as bright as a thousand supernovae exploding at once. Cosmos 1980-01-01T00:00:00Z It’s as if the interface between being asleep and being awake has gone supernova, exploding and swallowing everything around it with cosmic shrapnel. Challenger Deep 2015-04-15T00:00:00Z Perhaps, as I. S. Shklovskii has suggested, there is a black hole hiding there, which ate the exploding stellar core and damped the fires of the supernova. Cosmos 1980-01-01T00:00:00Z If his face was a supernova before, it became an accretion disc—one of the brightest objects in the universe—as soon as he tasted his lettuce. Darius the Great Is Not Okay 2018-08-28T00:00:00Z Much more rarely am I asked, “Have you heard that gold is made in supernova explosions?” or “When do you think Congress will approve a Mars Rover?” Cosmos 1980-01-01T00:00:00Z But for an elderly star left after supernova explosions and other impetuosities with more than several times the Sun’s mass, there are no forces known that can prevent collapse. Cosmos 1980-01-01T00:00:00Z Now he says that if the sun went supernova it would be eight minutes before we’d see it. Cat's Eye 1988-09-01T00:00:00Z And there, when the skies are clear and the Moon not too bright, he finds his supernovae. A Short History of Nearly Everything 2003-05-06T00:00:00Z But despite the close agreement in position Helfand and Long do not insist that the gamma ray outburst is associated with the supernova remnant. Cosmos 1980-01-01T00:00:00Z But a rousing of the stellar fires in N49 is a simpler hypothesis: we are sure there are such things as supernovae. Cosmos 1980-01-01T00:00:00Z Only half a dozen times in recorded history have supernovae been close enough to be visible to the naked eye. A Short History of Nearly Everything 2003-05-06T00:00:00Z One evocative idea is that it was a cosmic catastrophe, the explosion of a nearby star—a supernova like the one that produced the Crab Nebula. Cosmos 1980-01-01T00:00:00Z He lay down on his sleeping bag, hands behind his head as he gazed up at the supernova night. City of the Plague God 2021-01-12T00:00:00Z In the whole of astronomical history before Evans started looking in 1980, fewer than sixty supernovae had been found. A Short History of Nearly Everything 2003-05-06T00:00:00Z But this is unlikely to be a mere coincidence; more likely, the shock wave produced by the supernova compressed interstellar gas and dust and triggered the condensation of the solar system. Cosmos 1980-01-01T00:00:00Z A collapsing star twice as massive as the Sun will become a supernova and then a neutron star. Cosmos 1980-01-01T00:00:00Z The la supernovas explode in roughly the same way and with the same brightness. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z In late 1997 astronomers announced that they had used these supernovas to measure the distance to some very dim and ancient galaxies. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z But at least the planets will never be melted and frizzled by an erupting supernova. Cosmos 1980-01-01T00:00:00Z The essential preliminary to a supernova explosion is the generation by silicon fusion of a massive iron core. Cosmos 1980-01-01T00:00:00Z Unhappily, no supernova explosions have been observed in our Galaxy since the invention of the telescope, and astronomers have been chafing at the bit for some centuries. Cosmos 1980-01-01T00:00:00Z The core implodes violently, the exterior rebounds and a supernova explosion results. Cosmos 1980-01-01T00:00:00Z In 1987 Saul Perlmutter at the Lawrence Berkeley lab in California, needing more la supernovae than visual sightings were providing, set out to find a more systematic method of searching for them. A Short History of Nearly Everything 2003-05-06T00:00:00Z Kind of like a supernova rather than a black hole—the opposite of having your balls stepped on, as similar as the experiences may actually be. Winger 2013-05-14T00:00:00Z Like Tycho before him, he saw the supernova as undermining the Aristotelian notion of literally fixed and eternal stars. The Scientists 2003-10-21T00:00:00Z If Arp is right, the exotic mechanisms proposed to explain the energy source of distant quasars—supernova chain reactions, supermassive black holes and the like—would prove unnecessary. Cosmos 1980-01-01T00:00:00Z But the universe is vast, and supernovae are normally much too far away to harm us. A Short History of Nearly Everything 2003-05-06T00:00:00Z It had burned brightly for millions of years and would soon become a supernova and burn out. The Glass Castle 2005-03-01T00:00:00Z On the average, a supernova occurs in a given galaxy about once every century. Cosmos 1980-01-01T00:00:00Z But unlike Hubble’s dim Cepheids, supernovas are visible halfway across the universe. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z “Asteroid impact, gamma radiation from a nearby supernova, nuclear holocaust.” We Are the Ants 2016-01-19T00:00:00Z All the words poured out of me, a supernova of nouns and verbs, the containers of everything, now nameless, now just there. 100 Sideways Miles 2014-09-02T00:00:00Z And when that short-lived light went supernova, it would leave a blueprint of achievement and desire for anyone in the neighborhood searching for new possibilities. Bodega Dreams 2000-03-14T00:00:00Z We have relatively abundant gold and uranium on Earth only because many supernova explosions had occurred just before the solar system formed. Cosmos 1980-01-01T00:00:00Z So when a hopeful and softspoken minister got in touch to ask if they had any usable field charts for hunting supernovae, the astronomical community thought he was out of his mind. A Short History of Nearly Everything 2003-05-06T00:00:00Z Audrey and I turned in time to watch a plume of fire and sparks shoot into the air and explode like a supernova. We Are the Ants 2016-01-19T00:00:00Z The outer regions of the star may sometimes get blown off in a tremendous explosion called a supernova, which would outshine all the other stars in its galaxy. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z In 1604, Galileo’s stature increased still further when the supernova studied by Kepler appeared in the sky in October. The Scientists 2003-10-21T00:00:00Z “You think I got a chance in politics after going supernova in every paper in the world?” Red, White & Royal Blue 2019-05-14T00:00:00Z The stars then exploded as supernovas, and their debris went to form other stars and planets, among them those of our Solar System, which is about five thousand million years old. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Telescopes could now take thousands of pictures and let a computer detect the telltale bright spots that marked a supernova explosion. A Short History of Nearly Everything 2003-05-06T00:00:00Z Her coat was unzipped and beneath it she had on a kind of supernova dress of DayGlo swirls and stars. Tradition 2018-05-01T00:00:00Z A supernova can be brighter than the combined radiance of all the other stars in the galaxy within which it is embedded. Cosmos 1980-01-01T00:00:00Z These supernova results are preliminary, but they are getting more solid with each observation. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z These are of course respectable numbers, but even with so much to take in, supernovae are extremely rare. A Short History of Nearly Everything 2003-05-06T00:00:00Z Some of the rarer elements are generated in the supernova explosion itself. Cosmos 1980-01-01T00:00:00Z Cassiopeia A is the remnant of a supernova whose light should have reached the Earth in the seventeenth century, when there were a fair number of astronomers. Cosmos 1980-01-01T00:00:00Z "A billion stars going supernova, death on a cosmic scale. This is Kurnugi, Sik. This is where you go when it all ends." City of the Plague God 2021-01-12T00:00:00Z Some stars, the supernovae, are as bright as the entire galaxy that contains them; others, the black holes, are invisible from a few kilometers away. Cosmos 1980-01-01T00:00:00Z She leaned in and kissed him on the cheek before she could talk herself out of it, and his grin went supernova. When Dimple Met Rishi 2017-05-30T00:00:00Z There’s only so much being invisible you can take before you just want to go supernova so no one can ignore you anymore. From Twinkle, with Love 2018-05-22T00:00:00Z If a supernova explosion happened within five hundred light-years of us, we would be goners, according to Evans–"it would wreck the show," as he cheerfully puts it. A Short History of Nearly Everything 2003-05-06T00:00:00Z The awesome supernova explosion ejects into space most of the matter of the precursor star—a little residual hydrogen and helium and significant amounts of other atoms, carbon and silicon, iron and uranium. Cosmos 1980-01-01T00:00:00Z Novae occur only in binary systems and are powered by hydrogen fusion; supernovae occur in single stars and are powered by silicon fusion. Cosmos 1980-01-01T00:00:00Z At the periphery, interstellar matter is compressed by the supernova shock wave, triggering new generations of cloud collapse and star formation. Cosmos 1980-01-01T00:00:00Z All those recently hatched massive blue- white super-giant stars in Orion are destined in the next few million years to become supernovae, a continuing cosmic fireworks in the constellation of the hunter. Cosmos 1980-01-01T00:00:00Z Jason knew he shouldn’t look, but he couldn’t close his eyes as Juno went supernova, revealing her true godly form. Blood of Olympus 2014-10-07T00:00:00Z Mutations, from which nature selects its new inventory of lifeforms, are produced in part by cosmic rays—high-energy particles ejected almost at the speed of light in supernova explosions. Cosmos 1980-01-01T00:00:00Z But a more massive star, left, after its supernova phase, with, say, five times the Sun’s mass, has an even more remarkable fate reserved for it—its gravity will turn it into a black hole. Cosmos 1980-01-01T00:00:00Z The supernova data imply that the universe is getting bigger and bigger, faster and faster. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z "Oh, no," he said, "I enjoy my way too much. Besides"–he gave a nod at the photo of his latest supernova and smiled–"I can still beat them sometimes." A Short History of Nearly Everything 2003-05-06T00:00:00Z I have trouble getting excited about a star going supernova. A Mango-Shaped Space 2003-04-16T00:00:00Z In five years, with the new technique, Perlmutter and his colleagues at Berkeley found forty-two supernovae. A Short History of Nearly Everything 2003-05-06T00:00:00Z Looking for supernovae is mostly a matter of not finding them. A Short History of Nearly Everything 2003-05-06T00:00:00Z Maybe my right hand and her left hand both came from the same supernova. 100 Sideways Miles 2014-09-02T00:00:00Z In a typical galaxy, consisting of a hundred billion stars, a supernova will occur on average once every two or three hundred years. A Short History of Nearly Everything 2003-05-06T00:00:00Z Many of the stars in Orion are hot and young, evolving rapidly and ending their lives in colossal cosmic explosions called supernovae. Cosmos 1980-01-01T00:00:00Z Oh, I know it’s still here, but the walls have been replaced by a supernova of color. Linked 2021-07-20T00:00:00Z For the blast of a supernova explosion to kill you, he explained, you would have to be "ridiculously close"–probably within ten light-years or so. A Short History of Nearly Everything 2003-05-06T00:00:00Z Other studies, which analyze plumes of gas or the number of gravitational lenses in a given field of view, also support the supernova results, implying that the cosmos will expand forever. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z Exactly a century later, another romantic tale of creative dropouts ignited the mass imagination, in Jonathan Larson's supernova Broadway musical "Rent." 'Rent': Young, robust cast sells 'Rent' revival 2012-07-27T21:03:06Z On stage, the Earthlings’ youngest member was an energizing force, bouncing around the stage and injecting supernova guitar solos into Pearl Jam favorite “Porch” and an encore cover of George Harrison’s “Isn’t it a Pity.” Review: Eddie Vedder turns Seattle homecoming into family affair 2022-02-22T05:00:00Z It flows up the sides of the space: a dark stain spreading upward, a flood rising, a supernova exploding. Dancing With High-Tech Shadows at the Guggenheim 2017-08-28T04:00:00Z Like all pop supernovas, his success was owed in part to his singularity, and in part to his broad, flat appeal. Garth Brooks: Country Music’s Square, Liberal Dad 2014-11-13T05:00:00Z The Hollywood Walk of Fame is the right address for this supernova musical, whose biggest star is the dynamic company itself. 'Hamilton' brings its tale of American idealism to L.A. at a moment when it's needed 2017-08-17T04:00:00Z The late 90s were a time of political optimism in the UK, of champagne supernovas and champagne socialism, and the vegetarian stew-eating way of life that Crass represented looked, if anything, embarrassing. Crass's political punk is as relevant now as ever 2010-10-23T23:06:00Z The goal is to save the system from destruction—you have twenty minutes before the sun goes supernova. The Best Video Games of 2019 2019-12-17T05:00:00Z Michael's supernova star power will bring the customers in, no doubt. Michael Jordan scores with new steakhouse 2011-10-05T14:14:00Z This kind of failure is such a glorious, mythic, supernova failure that it’s worthwhile to hear it happen. Lou Reed and Metallica Go Loopy on Lulu 2011-11-01T09:00:11Z The supernova is making a joke of both patent law and education. The Message of Thomas Friedman’s New Book: It’s Going to Be O.K. 2016-11-22T05:00:00Z Six years into the supernova phase of her career, Lady Gaga is already a nostalgia act. Music Review: On Stage, Lady Gaga’s Artistry Endures 2014-03-30T01:32:27Z His group got freakier, blacker, bloated with intensity, finally going supernova in the Japanese concerts of Agharta and Pangaea. Miles Davis: 'Coltrane was a very greedy man. Bird was, too. He was a big hog' – a classic interview from the vaults 2012-11-06T13:26:00Z At the beginning of 2021, she released “Drivers License,” her first single outside the Disney ecosystem she was creatively raised in, and experienced the kind of supernova ascent that’s impossible to anticipate or recreate. Olivia Rodrigo Has Seen the World Now, and She’s Livid 2023-09-08T04:00:00Z Cultural supernovas are accidents of history, and flukes of personality. Big Bang in Berlin 2014-11-12T05:00:00Z The luxury supernova looked east with a collection of sumptuous travel pieces embellished with Chinese touches that appeared aimed at its growing Asian customer base. Paris menswear designers break out Jesus sandals 2010-06-24T21:37:00Z It arrived 16 years ago, when Smith was 24, to a supernova of critical acclaim. Zadie Smith's 'Swing Time' is a tour-de-force 2016-11-10T05:00:00Z A supernova burst sends them spinning together as on a teacup ride and then out of one another’s orbits. Review: An Afrofuturist Trip to the Lunarverse 2022-04-22T04:00:00Z “In the throes of passion, supernovas and quarks are very far from the mind of the average physicist,” Sean M. Carroll, a physicist at the California Institute of Technology, said via email. ArtsBeat: A Supernova of Bad Sex? Manil Suri Wins Uncoveted Award 2013-12-04T19:45:31Z Mr. Shannon, though, is the film’s center of gravity — its supernova, its black hole, its avatar of cosmic disorder. In ‘99 Homes,’ a Man Buffeted and Then Manipulated in Florida’s Foreclosure Disaster 2015-09-24T04:00:00Z Rich with easy joy, Anappara’s writing announces the arrival of a literary supernova. Who Cares About One Missing Child in an Indian Slum? Another Child 2020-01-31T05:00:00Z Galliano's longtime employer, luxury supernova Dior, fired him last Tuesday amid allegations he made anti-Semitic insults and after a video showing a drunk Galliano saying "I love Hitler" went viral on the Internet. Fashion world flocks to see Galliano collection 2011-03-07T01:35:15Z Her band included the snappy rhythms of a tupan, a large drum used in the Balkans and Turkey; her lyrics promise cosmic unity, insisting, “Everything that we are was made in a supernova.” At Globalfest, Rowdy Sounds From Around the World 2020-01-13T05:00:00Z “The geology of space, supernovas, life on Earth — they’re all related,” Mr. Stifler said. A Museum Devoted to Geological Treasures Opens in Maine 2019-12-12T05:00:00Z Well, there are solar superflares, supernovae, and giant black holes that might veer past our sun. How will the world end? 2012-06-17T19:00:00Z As kind, unafraid and boldly vulnerable – and immensely talented, like, mega supernova level. Michael Stipe: ‘Who would I say sorry to? Everyone I slept with before the age of 27’ 2020-01-11T05:00:00Z The Son of Perdition cackles with glee each time I am forced to guzzle yet another champagne supernova. Ten bands I will be forced to listen to in hell 2012-07-11T14:15:00Z Given that she is quite lovely anyway, there was a real danger that the show would transform her into some sort of terrifying loveliness supernova that would instantly wipe out all of humanity. Fern: chatting for Britton 2011-03-29T09:53:44Z “This Is Not Berlin” so wants to evoke a time and a place that the backdrop engulfs the characters like a supernova. ‘This Is Not Berlin’ Review: A Teenager Learns to Let Loose 2019-08-08T04:00:00Z In sentences frequently as smart and elegant as Michael Cunningham’s, McInerney captures the city in those supernova years before the Great Recession. Jay McInerney’s ‘Bright, Precious Days’: Social satire or consumer porn? 2016-08-04T04:00:00Z Fast-food companies are tripping over themselves to align their products with supernova musicians and influencers in the hopes that their menu items will appeal to a younger audience. The Era of the Celebrity Meal 2021-12-08T05:00:00Z For all his physical capability and credibility, he seems out of place: why is a supernova like Cruise consenting to something this secondhand, something in which he seems so replaceable? Jerry Maguire at 20: has Tom Cruise's star appeal ever shined brighter? 2016-12-13T05:00:00Z He was the first young country boy ever to have supernova power thrust upon. Documentary “The King”: “The American people are Elvis. They have been hoodwinked” 2018-07-04T04:00:00Z “He was a supernova who came through rapidly, but in the short time he was around he influenced everything after.” ‘Your Land,’ and Woody Guthrie’s, Preserved 2012-07-11T14:15:14Z Why does a man whose formative musical years were characterised by cigarettes and alcohol and champagne supernovas feel the pull of this most homely of English beverages? Love music love food: pop will eat itself 2011-07-15T22:00:00Z When she was a PhD student she discovered the pulsar, a phenomenon linked to supernova explosions, which changed the way we think about the universe. Waterloo Road 2010-04-06T23:05:00Z But she specializes in songs suited for “dance crying,” tracks that smother loss in synth supernovas. The Playlist: Robyn’s Dance-Floor Weeper and 8 More New Songs 2018-08-03T04:00:00Z Claire Chase, a prominent flutist and educator, described her as a “supernova,” praising her collaborative and commanding style. A Conductor on a Mission to Help Ukraine 2023-01-18T05:00:00Z It's as though he's trying to reduce his pasta from supernova to ultra-dense neutron star. Brian Cox: Physics is better than rock'n'roll 2011-03-24T08:01:00Z The French luxury supernova is known for its monumental sets, which recently included a giant bottle of its best-selling No. 5 perfume or a life-size barn with real - and really smelly - hay. Lions, and tigers, and bears, oh Chanel! 2010-07-06T22:50:00Z He will also surely have watched closely as his mentor Dizzee went supernova after he embraced pop. New band of the day ? No 762: Smurfie Syco 2010-04-08T15:08:00Z He was a supernova at an early age, already nicknamed the professor as a 3-year-old in day care. ‘The Short and Tragic Life of Robert Peace,’ by Jeff Hobbs 2014-09-10T04:00:00Z He’s a supernova of insecurities, tweeting out his insults and threats to increasingly perplexed citizens who still — for the moment, at least — enjoy the right to object in whatever language they choose. Why Orwell’s ‘1984’ matters so much now 2017-01-25T05:00:00Z Three bright spots in a record industry that continued to dim in 2014: digital streaming, old-fashioned vinyl and the human supernova known as Taylor Swift. Music in 2014: Sales down, streams up -- and then there's Taylor Swift 2015-01-02T05:00:00Z The traditionally animated sailors face the realistically rendered fiery supernova as it becomes a black hole for an action-packed set piece full of interplanetary explosions. ‘Treasure Planet’ at 20: Disney’s Failed Space Odyssey Deserved to Soar 2022-12-28T05:00:00Z Several tall cases display her gowns, many decorated with a supernova explosion of sparkles. Dallas is the most affordable go-to travel destination for 2015 2015-02-05T05:00:00Z As for selling out, the concept officially began eating our brains shortly after the supernova of Nirvana. Perspective | Turnstile, the soaring hardcore band of the moment, has a reminiscent sound that pushes us forward in time 2021-09-28T04:00:00Z “Surely supernovas explode that instant, somewhere, in some galaxy,” Mr. Suri, 54, a professor of mathematics at the University of Maryland, wrote. ArtsBeat: A Supernova of Bad Sex? Manil Suri Wins Uncoveted Award 2013-12-04T19:45:31Z He builds up his theme, whether it’s how exploding supernovae led to the elements in our bodies, or how the origin of the moon influences our internal clocks. ‘The Universe Within’: the world’s history inside us 2013-01-11T00:46:45Z Neutron stars are collapsed cores of massive stars, what’s leftover after a big star dies in a supernova explosion. Cosmic gulp: Astronomers see black hole swallow neutron star 2021-06-30T04:00:00Z "I am the supernova!" he sneered to boos. Rage Against the Machine 2010-06-06T23:53:00Z “He loves Star Wars and he used to do computer modeling of supernovas.” So Many Phone Dates, Prayers and a Kiss at the Eiffel Tower 2020-02-28T05:00:00Z He never achieved the supernova stardom of a Gable or Bogart, and these days Ryan’s glower may be more familiar than his name. Robert Ryan?s Quiet Furies 2011-08-06T20:58:02Z How aware Harper is of her style supernova status remains to be seen. Harper Beckham, the 4-Year-Old Street-Style Star 2016-02-17T05:00:00Z Electric Youth want to capture the moment the mallrat went supernova and became America's sweetheart. New band of the day ? No 878: Electric Youth 2010-09-30T16:01:00Z The concept behind the collection - Amish meets David Lynch - was bizarre, but the results weren't, as the luxury supernova delivered yet another round of safe, appealing classics. Gaultier reveals the hidden, feminine side of 007 2011-01-20T23:25:16Z “In many ways, it’s the physics of a supernova explosion,” Dr. Greene said. City of Science, Bending Minds and Matter in Its Debut at Lehman College 2016-05-05T04:00:00Z It is a great moment, when a revolution in science and art explodes into the public eye like the proverbial champagne supernova in the sky. Visions of the Universe exhibition reveals full wonder of space images 2013-06-11T13:29:42Z At the center was Eberhart, “a supernova, receiving one accolade after another.” In Two Memoirs, the Scars of Childhood Trauma Run Deep 2020-08-18T04:00:00Z Luxury supernova Christian Dior raised that quintessentially tacky garment, the Hawaiian shirt, to the pinnacle of chic with a featherlight collection of sundresses in eye popping palm leaf prints. Lanvin gets world-weary fashion crowd worked up 2010-10-01T21:00:00Z Julianne was impressed that they were able capture all the details of the original routine, while Bruno declared, “My little star has gone supernova tonight!” 'Dancing with the Stars' Watch 2015-10-19T04:00:00Z Another, told to be a supernova, burst from a shell of colored paper with a roar of triumph. Oliver Herring at a Task party at Madison Square Park 2014-09-07T04:00:00Z The problem is that our capacity to adapt is being outpaced by a “supernova,” built from three ever faster things: technology, the market and climate change. The Message of Thomas Friedman’s New Book: It’s Going to Be O.K. 2016-11-22T05:00:00Z The more that I’ve reflected on it, it really makes sense to me that “A Strange Loop” would be a supernova that cuts across the firmament and then explodes. As ‘A Strange Loop’ Ends, Its Creator Looks Back on a ‘Supernova’ 2023-01-16T05:00:00Z Once made, these elements are recycled into space through stellar winds, red giants, and supernovae. "The Big Bang Theory" and real science, from Leonard's wedding vows to the "Time Machine" prop 2019-05-16T04:00:00Z At such moments it is hard for me not to think of Neely O’Hara, the singing supernova who burns too bright, too fast in Jacqueline Susann’s “Valley of the Dolls.” Critic’s Notebook: ‘Ghosts,’ ‘Blurred Lines’ and ‘The Pass’ in London 2014-02-04T18:25:15Z We delve into low-key bands that may be struggling, to the supernova talents that seem to headline every major festival. Blog jam: Titchlikes 2012-07-09T15:40:28Z With the benefit of not even a full year of hindsight, “Sour” feels like even more of a supernova. Olivia Rodrigo’s Punky Heartbreak Revue 2022-04-06T04:00:00Z "We had never seen anything like that before -- something so fast, and the brightness as strong as the original explosion months later -- in any supernova or FBOT. We'd never seen that, period, in astronomy." With unprecedented flares, stellar corpse shows signs of life 2023-11-15T05:00:00Z At least some of them may be born in a particular type of supernova that occurs when a dying, massive star collapses into a neutron star or black hole. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z But had the supernova occurred closer to us, he said, “it would be a catastrophe.” A Supernova ‘Destroyed’ Some of Earth’s Ozone for a Few Minutes in 2022 2023-11-14T05:00:00Z Yan is particularly excited that two of the transients are supernovae -- stars that are at the end of their lifespans -- because the team can use them to study the supernovae's host galaxies. Scientists find 14 new transient objects in space by peering through the 'Christmas Tree Galaxy Cluster' 2023-11-09T05:00:00Z We now know the Crab is the colossal cloud of debris from that ancient supernova, blasting away from the explosion site at five million kilometers per hour. See JWST’s Spectacular New View of the Crab Nebula 2023-11-10T05:00:00Z It's also possible that they aren't conventional supernovas at all, instead triggered by a star's merger with a black hole. With unprecedented flares, stellar corpse shows signs of life 2023-11-15T05:00:00Z Even with a supernova occurring within the so-called "kill radius" of less than ten parsecs, not even a microgram of matter from the envelope will land on each square centimeter. Exploding stars 2023-11-02T04:00:00Z Scientists will have newer Hubble data to review within the next year or so from the telescope's reimaging of the supernova remnant. The Crab Nebula seen in new light by NASA's Webb 2023-10-30T04:00:00Z "The two supernovae and the other twelve extremely magnified stars are of different nature, but they are all important," Yan said. Scientists find 14 new transient objects in space by peering through the 'Christmas Tree Galaxy Cluster' 2023-11-09T05:00:00Z The Crab nebula has a pulsar, indicating that the core of its supernova progenitor was less than 2.8 times the mass of the sun. See JWST’s Spectacular New View of the Crab Nebula 2023-11-10T05:00:00Z For the first time, a team of researchers, including those from The University of Tokyo, apply deep learning to the problem of supernova simulation. Deep learning speeds up galactic calculations 2023-10-25T04:00:00Z Since AMS facilities around the globe are designed differently, the various facilities can complement each other in the search for rare isotopes from supernova explosions. Exploding stars 2023-11-02T04:00:00Z NASA's James Webb Space Telescope has gazed at the Crab Nebula, a supernova remnant located 6,500 light-years away in the constellation Taurus. The Crab Nebula seen in new light by NASA's Webb 2023-10-30T04:00:00Z Because these supernovae take place light years away, it’s very rare to detect which star in a cluster is the one exploding, she explained. “Like Google for the sky”: Vera Rubin Observatory will map the universe with more detail than ever 2023-10-22T04:00:00Z A little more than 969 years ago—on July 4, 1054, to be more precise—the light from one of the universe’s most energetic and violent events reached Earth: a supernova, or exploding star. See JWST’s Spectacular New View of the Crab Nebula 2023-11-10T05:00:00Z Their approach can speed up the simulation of supernovae, and therefore of galaxy formation and evolution as well. Deep learning speeds up galactic calculations 2023-10-25T04:00:00Z After many thousands of years, the remnants of a supernova have expanded to a diameter of several 10 parsecs, spreading out ever more slowly until the motion finally ceases. Exploding stars 2023-11-02T04:00:00Z This abrupt slimming may be caused by the confinement of the supernova wind's expansion by a belt of dense gas. The Crab Nebula seen in new light by NASA's Webb 2023-10-30T04:00:00Z Some supernovae can last 10 days, while others last months, with all sorts of changes in color and light throughout the process, Graham explained. “Like Google for the sky”: Vera Rubin Observatory will map the universe with more detail than ever 2023-10-22T04:00:00Z Although its source was a soul-crushing 6,500 light-years from us, the supernova’s light was so bright that it could be seen in daytime for weeks. See JWST’s Spectacular New View of the Crab Nebula 2023-11-10T05:00:00Z If a supernova had happened a few hundred years ago within a few hundred light-years from Earth, you might not be reading this article right now. Deep learning speeds up galactic calculations 2023-10-25T04:00:00Z Nevertheless, supernovae only occur in very heavy stars with more than eight to ten times the mass of our sun. Exploding stars 2023-11-02T04:00:00Z Researchers have applied an automated method to detect a new supernova without human intervention, which they say will reduce error and speed up discoveries. News at a glance: An asteroid’s organic clues, China’s ethics rules, and collecting African genomes 2023-10-18T04:00:00Z “By finding millions of supernovae with the Rubin Observatory and the LSST, we will be able to test theories like this for all kinds of exploding stars,” Graham said. “Like Google for the sky”: Vera Rubin Observatory will map the universe with more detail than ever 2023-10-22T04:00:00Z The colliding superstars, whose respective fame has collectively gone supernova, arrived at the party around 2:20 a.m. and eventually left the restaurant together around 4 a.m., Taylor Swift and Travis Kelce hold hands, confirming their relationship status all too well 2023-10-16T04:00:00Z So, the better we understand supernovae, the better we can understand why galaxies are the way they are. Deep learning speeds up galactic calculations 2023-10-25T04:00:00Z Many new atoms are generated during cosmic explosions or shortly before and during the supernova -- among them also a number of radioactive atoms. Exploding stars 2023-11-02T04:00:00Z It requested automated follow-up observations for SN 2023tyk and by 7 October had reported the confirmed and classified supernova to the Transient Name Server, a clearinghouse for astronomers. News at a glance: An asteroid’s organic clues, China’s ethics rules, and collecting African genomes 2023-10-18T04:00:00Z One of the main sources of evidence used to prove the existence of dark energy is supernovae. “Like Google for the sky”: Vera Rubin Observatory will map the universe with more detail than ever 2023-10-22T04:00:00Z This small companion galaxy is more primeval than the Milky Way in that it possesses fewer heavy elements, which are forged in stars through nuclear fusion and supernova explosions, compared to our own galaxy. NASA's Webb captures an ethereal view of NGC 346 2023-10-11T04:00:00Z Pulsars are what is leftover after supernova explosions demolish stars. Vera pulsar pouring out 200 times more energy than thought possible, scientists discover 2023-10-05T04:00:00Z However, this plutonium-244 is more likely generated by the collision of neutron stars than by supernovae. Exploding stars 2023-11-02T04:00:00Z Pulsars are the left-over corpses of stars that spectacularly exploded in a supernova. Scientists discover the highest energy gamma-rays ever from a pulsar 2023-10-05T04:00:00Z Massive stars go out with a bang, expiring as a supernova that leaves behind a neutron star or black hole. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z In practise this is done by looking for galaxies with exploding stars, so-called supernovae. Colliding neutron stars provide a new way to measure the expansion of the Universe 2023-10-02T04:00:00Z Cosmic dust in galaxies is thought to be supplied by supernova explosions at the end of the evolution of massive stars in the galaxies, which provide the material for new stars. Tag team of the James Webb Space Telescope and ALMA captures the core of the most distant galaxy protocluster 2023-09-20T04:00:00Z The iron-60 atoms ejected by the supernova like to congregate in dust particles. Exploding stars 2023-11-02T04:00:00Z The rays burst forth from celestial events such as supernovae and have a lot more energy and mass than a mere proton. Why We’ll Never Live in Space 2023-09-19T04:00:00Z Stars that are much heavier than the sun and end their life as a supernova, Bennett suggests, could also provide a rich source of rogue worlds and help to explain MOA’s outsize estimates. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z The two methods -- the supernova method and the background radiation method -- always gave slightly different results. Colliding neutron stars provide a new way to measure the expansion of the Universe 2023-10-02T04:00:00Z To follow the evolution of these four galaxies, the simulation calculated physical processes such as the kinematics of stars and gas, chemical reactions, star formation, and supernovae. Tag team of the James Webb Space Telescope and ALMA captures the core of the most distant galaxy protocluster 2023-09-20T04:00:00Z So do the plutonium-244 isotopes, which were possibly created in other events and swept up by the supernova's expanding envelope. Exploding stars 2023-11-02T04:00:00Z Everything heavier than helium is considered a “metal” in astronomy, and these new elements were generated for the first time as the earliest stars erupted in supernovae and scattered their contents across the cosmos. This is what the first stars looked like as they were being born 2023-09-14T04:00:00Z Forcing out a hateful, despicable owner who seemed destined to continue to wreck the dreams and hopes of a damaged fan base — that is like a supernova. LOVERRO: Dan Snyder’s absence guaranteed good day for fans. Team’s win was gravy 2023-09-10T04:00:00Z "When two ultra-compact neutron stars -- which in themselves are the remnants of supernovae -- orbit each other and ultimately merge, they go off in a new explosion; a so-called kilonova," Albert Sneppen explains. Colliding neutron stars provide a new way to measure the expansion of the Universe 2023-10-02T04:00:00Z When the star went boom in 1987, it was the nearest, brightest supernova to be seen from Earth in almost 400 years. James Webb: Telescope reveals new detail in famous supernova 2023-08-31T04:00:00Z Ever since, neutrinos have been detected in the Sun, during supernovas and even in interactions between cosmic rays and the upper atmosphere. The Large Hadron Collider has been used to detect every known particle except neutrinos. Until now 2023-08-31T04:00:00Z Around some of these stars, leftover dust—material made during supernovae—clumped together into the first planets. This is what the first stars looked like as they were being born 2023-09-14T04:00:00Z The approaches include looking at supernovae and variable stars in distant galaxies and measuring how fast they’re receding, as well as how far away they are. Will the Universe Ever Stop Expanding? 2023-08-29T04:00:00Z Together, the two 8.1-meter telescopes have revealed vast swaths of celestial wonders—from the birth of supernovae to the closest known black hole to Earth. Cyberattack shutters major NSF-funded telescopes for more than 2 weeks 2023-08-18T04:00:00Z Central to these investigations is the question of why the supernova occurred in the first place. James Webb: Telescope reveals new detail in famous supernova 2023-08-31T04:00:00Z It's not just enough for a star to collapse into a dead neutron star after a supernova. Magnetars and “zombie” stars: New type of ultrahigh magnetic star discovered 2023-08-18T04:00:00Z Without heavier elements, the first stars, once lit by nuclear fusion, furiously churned through their hydrogen stores and then burst in supernovae. This is what the first stars looked like as they were being born 2023-09-14T04:00:00Z When they run out of this fuel, these stars collapse under their own gravity in the cataclysmic events we observe as supernovae. Rare ‘Pinwheel’ Stars Are a Beautiful Astronomical Puzzle 2023-08-18T04:00:00Z Many are born via a supernova—such neutron stars are created when a star’s explosive death leaves behind a dense, compressed core that is barely 10 miles across. This Bizarre Star Could Become One of the Strongest Magnets in the Universe 2023-08-17T04:00:00Z This is expected to reveal further, exciting revelations about this remarkable supernova. James Webb: Telescope reveals new detail in famous supernova 2023-08-31T04:00:00Z "Stellar evolution calculations indicate that this component will explode as a supernova," the team wrote, "and that its magnetic field is strong enough for the supernova to leave a magnetar remnant." Magnetars and “zombie” stars: New type of ultrahigh magnetic star discovered 2023-08-18T04:00:00Z They detected spikes in its spectrum that revealed specific elements, such as iron, indicating what types of supernovae had spewed their heavy elements into space. Revolutionary x-ray sensor to probe workings of black holes and supernovae 2023-08-15T04:00:00Z A subtype of longer-duration bursts, which last more than two seconds, are thought to arise from the supernovae marking the deaths of Wolf-Rayet stars. Rare ‘Pinwheel’ Stars Are a Beautiful Astronomical Puzzle 2023-08-18T04:00:00Z Astronomers were able to create this rare image of the supernova remains with the aid of the wide field view of the Dark Energy Camera. Blast from the Past! 2023-03-21T04:00:00Z A recent James Webb Space Telescope observation shows a galaxy cluster having a supernova appear three times. A Supernova Coming Back to Life 2023-03-21T04:00:00Z Some elements also form when a star explodes into a supernova. AI’s Hunt for the First Stars 2023-04-25T04:00:00Z For the first time ever, astronomers detected radio waves coming from a Type Ia supernova! Tune in to the Supernova Radio! 2023-06-08T04:00:00Z Typical supernovae can really affect only their immediate stellar neighborhood. Rare ‘Pinwheel’ Stars Are a Beautiful Astronomical Puzzle 2023-08-18T04:00:00Z By studying the X-ray data, astronomers found the presence of large amounts of iron - a clear sign showing that the explosion was a Type Ia supernova. Blast from the Past! 2023-03-21T04:00:00Z Since the brightness of supernovae fades away in a couple of months. A Supernova Coming Back to Life 2023-03-21T04:00:00Z It is very challenging as researchers think that all the first stars have already exploded into supernovae, so we can’t find any. AI’s Hunt for the First Stars 2023-04-25T04:00:00Z Not only that, they also successfully detected supernova radio emission for the very first time! Tune in to the Supernova Radio! 2023-06-08T04:00:00Z However, scientists think that supernovae further down the family tree will wipe out any pure traces of the very first stars. Tracing Our Stellar Ancestors 2023-07-05T04:00:00Z Finally, when the white dwarf made its grand supernova exit, the pieces of star materials got thrown off at a high-velocity. Blast from the Past! 2023-03-21T04:00:00Z In a binary system, if the stars are close enough, the companion star can eat up materials from the supernova progenitor - the star about to go supernova. A Supernova Coming Back to Life 2023-03-21T04:00:00Z Studying the first generation of supernovae and its chemical footprints on the next generation of stars. AI’s Hunt for the First Stars 2023-04-25T04:00:00Z Astronomers are now looking to detect more radio waves coming from Type Ia supernovae, to help them understand these explosions further. Tune in to the Supernova Radio! 2023-06-08T04:00:00Z The demise of the Pac-12 hit like a supernova: a Power Five conference dying in real time. The Pac-12 Conference is facing a dire future following mass exodus of storied programs 2023-08-06T04:00:00Z Image: A ring of glowing remains of the first-ever recorded supernova, a white dwarf star that exploded more than 1800 years ago. Blast from the Past! 2023-03-21T04:00:00Z These interactions created a huge hollow ring of star stuff, some 1500 years before the actual supernova. A Supernova Coming Back to Life 2023-03-21T04:00:00Z Not only did the XMPs show evidence of chemical footprints of its parent supernovae, but a single star also contained a mix of footprints of multiple supernovae. AI’s Hunt for the First Stars 2023-04-25T04:00:00Z The peak brightness of a Type Ia supernova is so strong and steady that astronomers use them as ‘standard candles’ to calculate distances in the universe and the rate at which our Universe expands! Tune in to the Supernova Radio! 2023-06-08T04:00:00Z The observations that distant supernovae are dimmer than expected led to the idea that the universe is not just expanding but accelerating. The Most Surprising Discoveries in Physics 2023-07-27T04:00:00Z But, 14 years ago, Swift’s supernova star power and love for her fans were already on display. It’s Taylor Swift Week in Seattle. Read reviews of her previous WA shows 2023-07-21T04:00:00Z The light from a small fraction of these supernovae—roughly a few hundred per year—reaches us here on Earth to be pored over by astronomers. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z The most promising one is that it is a giant star, about 20 times the mass of our sun, that has undergone a failed supernova as a black hole forms at its core. A Cow, a Camel and a Finch Exploded in Space. What Is Going On? 2023-07-19T04:00:00Z Researchers think that when a white dwarf explodes, the shock waves from the supernova explosion passing through this cloud will give the surrounding materials a lot of energy that they release strong radio waves. Tune in to the Supernova Radio! 2023-06-08T04:00:00Z Astronomers had previously validated this slow-motion cosmos about halfway back through the universe’s 13.8-billion-year history by examining the light from massive exploding stars called supernovae that detonated six to seven billion years ago. Time Flowed Five Times Slower Shortly after the Big Bang 2023-07-19T04:00:00Z When this layer hits the dense core, it bounces off and explodes outward, producing a supernova. Ultracold Gases Can Probe Neutron Star Guts 2023-07-18T04:00:00Z Soon they had pinpointed the supernova to somewhere within the Pinwheel Galaxy, also called M101. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z If the star is massive enough, it might collapse into the black hole, rather than exploding back out as a supernova. A Cow, a Camel and a Finch Exploded in Space. What Is Going On? 2023-07-19T04:00:00Z An international team of researchers studied a Type Ia supernova that exploded in 2020 in detail. Tune in to the Supernova Radio! 2023-06-08T04:00:00Z But such supernovae are too faint to observe at the immense distances needed to probe earlier cosmic epochs. Time Flowed Five Times Slower Shortly after the Big Bang 2023-07-19T04:00:00Z Within a few million years, tops, it’ll explode as a supernova and become, for weeks at least, thousands of times brighter. Meet the Stars of the ‘Summer Triangle’ 2023-07-14T04:00:00Z From there, one of the first tasks was to seek out the actual star that exploded, which is somewhat of a rarity to pinpoint for supernovae. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z The university said previously astronomers confirmed the slow motion universe back to about half its age using supernovae - massive exploding stars. Scientists see early universe in slow-motion for first time 2023-07-04T04:00:00Z Thermonuclear supernovae are explosive deaths of white dwarfs caused by runaway nuclear reactions. Some of Earth’s Most Famous Art Started with Stardust 2023-07-04T04:00:00Z If supernovae are akin to a firework, burning bright and quickly fading away, then quasars change brightness more like the stock market, with an unpredictable pattern of turbulent flickers. Time Flowed Five Times Slower Shortly after the Big Bang 2023-07-19T04:00:00Z At large scales, we see stars, galaxies, supernovae and black holes; at medium scale, we see molecules, DNA, proteins, molecular machinery and life itself. Readers Respond to the March 2023 Issue 2023-07-01T04:00:00Z By zooming in on the location of the supernova in her early-2010s images of the galaxy, Pledger managed to identify the star that caused it. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z They may come from supernovae remnants, active galactic nuclei or something else entirely—or, perhaps most probably, a mix of all these sources. In a First, Scientists See Neutrinos Emitted by the Milky Way 2023-06-29T04:00:00Z Together, they observed pulsars which are the ultra-dense remnants of massive supernova stars. Scientists 'hear' gravitational wave hum 2023-06-29T04:00:00Z The researchers relied on measurements of 50 supernovae of a particular kind, known as type Ia: white dwarf stars that explode with an inherently predictable brightness. Euclid telescope to seek source of dark energy—the biggest mystery in the universe 2023-06-21T04:00:00Z A delay in galactic starbursts has a knock-on effect, namely, a corresponding delay in the eruption of supernovae that enrich galaxies with heavy elements. JWST’s Glimpses of Early Galaxies Could Shed Light on Dark Matter 2023-06-20T04:00:00Z Such stars can grow puffy late in life and blow off lingering shells of gas and dust from their outer atmospheres well in advance of expiring as supernovae. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z This bulk meant the stars were short-lived, exhausting their fuel and exploding as supernovae within just a few million years. At Last, Astronomers May Have Seen the Universe’s First Stars 2023-06-13T04:00:00Z Is it a helicopter, a supernova, a—gasp—UFO? Why Venus Is So Bright Right Now 2023-06-02T04:00:00Z But when astronomers measure the actual recession velocity of nearby galaxies, using type Ia supernova distances and other techniques, they clock a speed of 73 km/s. Euclid telescope to seek source of dark energy—the biggest mystery in the universe 2023-06-21T04:00:00Z “It’s going to probably be potentially the most detailed supernova studied in terms of the rise and then the decay and all the different stages of the supernova itself,” Cendes says. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z In the two weeks after the supernova’s discovery, Wynn Jacobson-Galán of the University of California, Berkeley, and his colleagues saw clear evidence for “the supernova shockwave slamming into this dense shell,” he says. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z Smaller stars once considered “on the cusp” for sparking black-hole-generating supernovae are now more firmly ruled out. Gravitational-Wave Search Resumes after Three Years and Lots of Headaches 2023-05-23T04:00:00Z At the ends of their lives, the heaviest stars explode as supernova, creating one of the most spectacular events in the universe. Six Gravitational-Wave Breakthroughs Scientists Can’t Wait to See 2023-05-22T04:00:00Z The explosive event labeled AT2021lwx was observed to be ten times brighter than any known supernova, the explosions that occur as massive stars die. Largest-Ever Cosmic Explosion Has Raged for Years 2023-05-16T04:00:00Z And thanks to the supernova’s close location, astronomers may also be able to gather enough of its light to obtain rainbowlike spectra—wavelength-based breakdowns of its electromagnetic emissions. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z “And it’s telling us a little bit about which stars explode as which type of supernovae.” Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z Theorists predict another peak should appear around 45 to 65 solar masses because of “pair instability” supernovae. Gravitational-Wave Search Resumes after Three Years and Lots of Headaches 2023-05-23T04:00:00Z Someday, you see, Betelgeuse will explosively end its life in a supernova—and from our planetary perch just 650 light-years away, we Earthlings will have front-row seats to this spectacular cosmic cataclysm. Betelguese’s Brightening Raises Hopes for a Supernova Spectacle 2023-05-15T04:00:00Z And whereas supernova explosions only last a few months, this explosive event has been raging for at least three years. Largest-Ever Cosmic Explosion Has Raged for Years 2023-05-16T04:00:00Z Because every substance absorbs or emits its own characteristic wavelengths of light, spectra from this supernova will allow researchers to determine what and how much stuff it spit out into its neighborhood. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z In turn, it could reveal the very dynamics of supernovae themselves—whether the energy we see comes entirely from the explosion or partly from the impact of the supernova shockwave on the surrounding debris. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z These are more powerful than run-of-the-mill supernovae, which occur when a star runs out of fuel and implodes with a sudden loss of radiation pressure akin to demolishing the supports holding up a roof. Gravitational-Wave Search Resumes after Three Years and Lots of Headaches 2023-05-23T04:00:00Z And what would such a nearby supernova look like? Betelguese’s Brightening Raises Hopes for a Supernova Spectacle 2023-05-15T04:00:00Z "Most supernovae and TDEs only last for a couple of months before fading away. For something to be bright for two plus years was immediately very unusual." Largest-Ever Cosmic Explosion Has Raged for Years 2023-05-16T04:00:00Z A third reason astronomers are particularly excited about the discovery is a cosmic coincidence: it’s the second major supernova to occur in the M101 galaxy in recent years. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z The supernova’s ejecta expands in an “hourglass shape” as it impacts this disk. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z Pair-instability supernovae arise from very massive stars, 130 to 250 times the mass of the sun, largely bereft of heavy elements—a situation that can accelerate their demise well before they run out of fuel. Gravitational-Wave Search Resumes after Three Years and Lots of Headaches 2023-05-23T04:00:00Z The supernova’s first harbinger would be subtle but unmistakable—a flood of ghostly neutrinos emitted during the star’s collapse that would suddenly wash over Earth, lighting up detectors around the globe. Betelguese’s Brightening Raises Hopes for a Supernova Spectacle 2023-05-15T04:00:00Z The study began on April 13, 2021, when the Zwicky Transient Facility, a small telescope that was busy looking for exploding stars, or supernovas, spotted a bright flash that did not fit expectations. The Biggest Explosion in the Cosmos Just Keeps Going 2023-05-12T04:00:00Z “There are two major families of supernovae, type I and type II, and now we have one of each from this galaxy—that’s what struck me as a nice surprise,” Kulkarni says. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z That could point to a surprising source of variety in type II supernovae evolution arising from the varied orientations of debris disks with respect to their exploding host star. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z The explosion is more than 10 times brighter than any recorded exploding star - known as a supernova. Astronomers detect largest cosmic explosion ever seen 2023-05-12T04:00:00Z But humanity’s long history of supernova observations makes it clear that the event would still have consequences. Betelguese’s Brightening Raises Hopes for a Supernova Spectacle 2023-05-15T04:00:00Z Most supernovas fade after a few weeks; this one, known as AT2021lwx, kept going — and has continued to explode for three years now. The Biggest Explosion in the Cosmos Just Keeps Going 2023-05-12T04:00:00Z Nothing is perfect, however: the new supernova isn’t quite everything scientists would dream of. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z But until now this had never been seen in a progenitor star that subsequently exploded as a supernova. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z So far it has lasted more than three years, much longer than most supernovae which are usually only visibly bright for a few months. Astronomers detect largest cosmic explosion ever seen 2023-05-12T04:00:00Z Stargazers of yore tended to perceive supernovae as bad omens, Penprase says, and in today’s climate of misinformation and science denialism, Betelgeuse’s demise could prompt some concerning responses. Betelguese’s Brightening Raises Hopes for a Supernova Spectacle 2023-05-15T04:00:00Z “Most supernovae and tidal disruption events only last for a couple of months before fading away,” said Philip Wiseman, an astrophysicist at the University of Southampton and the lead author of the new paper. The Biggest Explosion in the Cosmos Just Keeps Going 2023-05-12T04:00:00Z The supernova is now visible with modest backyard telescopes and is expected to remain bright for months. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z Pulsations and supernovae are not thought to be directly linked. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z "Most supernovae and tidal disruption events only last for a couple of months before fading away. For something to be bright for two plus years was immediately very unusual." Astronomers detect largest cosmic explosion ever seen 2023-05-12T04:00:00Z Now a new measurement of the Hubble constant, made by observing a mirror image of a distant exploding star, or supernova, is complicating matters further. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z He added that, with a total radiated energy equal to 100 supernovas, “it is one of the most luminous transients ever discovered.” The Biggest Explosion in the Cosmos Just Keeps Going 2023-05-12T04:00:00Z An amateur astronomer has spotted a once-in-a-decade supernova that scientists hope will shed light on how dying massive stars give birth to strange objects such as neutron stars and black holes. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z The exact mechanism that produces these two distinct types of supernovae, however, is not clear. Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z More than half a century later there was another twist: By observing distant supernovae, two research teams independently proved that the universe isn't just expanding—it's doing so at an accelerated rate. How Much Does ‘Nothing’ Weigh? 2023-04-29T04:00:00Z In research published today in the journal Science, Patrick Kelly of the University of Minnesota and his colleagues used the time delay from a distant supernova known as Refsdal to measure the Hubble constant. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z And later, when they explode as supernovae, they fling a different mix of these elements, such as iron and cobalt, a very long way. Our Sun Was Born in a Stellar Family Far, Far From Here 2023-04-24T04:00:00Z “I was honestly too excited to sleep,” says Yvette Cendes, an astronomer at the Center for Astrophysics | Harvard & Smithsonian, who has already helped arrange multiple studies of the supernova with radio observatories. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z “It really is going to be one of the best-studied supernovae of the 21st century.” Nearby Supernova Gives Unique View of a Dying Star’s Last Days 2023-07-21T04:00:00Z That’s one reason why the national labs also work on unclassified, fundamental science that overlaps with weapons science, subjects like star formation and supernovae. Trust but verify: Can the U.S. certify new nuclear weapons without detonating them? 2023-04-20T04:00:00Z “We should agree with the supernova measurement, but we don’t,” Kelly says. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z Their results indicate that as it formed in its natal disk, the early sun was likely pummeled by powerful winds and supernovae explosions—both sourced from massive stars. Our Sun Was Born in a Stellar Family Far, Far From Here 2023-04-24T04:00:00Z The excitement stems from what the supernova actually is—and what it is destined to become. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z The novel tracks the collaborative, competitive friendship of video game developers Sam Masur and Sadie Green and has exploded into a publishing supernova. Sign up for the Los Angeles Times Book Club 2023-04-13T04:00:00Z Astronomers have speculated that the sighting may have been atmospheric dust scattering light from a nearby supernova, or an especially vivid aurora borealis triggered by a giant solar flare. Marking time: Cosmic ray storms can pin precise dates on history from ancient Egypt to the Vikings 2023-04-13T04:00:00Z The end result would be a single supernova appearing multiple times in slightly offset positions in the sky, with the delay between each apparition corresponding to the total distance its light had traveled. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z Kyle Larson, like Bell a dirt racing supernova who started from pole, won the first stage and took only fuel — no fresh tires — heading to the final segment. Dirt-racing star Bell outruns Reddick to win on Bristol dirt 2023-04-09T04:00:00Z This event was a type II supernova, which occurs when a massive star—at least eight times the size of our sun—runs out of fuel. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z "This is followed by what's known as afterglow, and at later times, the energy deposited into that star powers a supernova explosion." Recent Gamma-Ray Burst May Be the Brightest Ever Seen 2023-03-29T04:00:00Z The author wrote her 10th novel, which tracks the collaborative, competitive friendship of video game developers Sam Masur and Sadie Green, with her peers in mind, and it has exploded into a publishing supernova. Gabrielle Zevin takes us inside her video game-inspired, juggernaut bestseller 2023-03-29T04:00:00Z In November 2014 Kelly, then at the University of California, Berkeley, and his colleagues discovered the first known example of such an event—the supernova Refsdal, which took place some 14 billion light-years from Earth. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z Moreover, that primordial gas was not yet enriched with the heavier elements and dust forged by supernovae. Earliest galaxies challenge ideas about star birth in infant universe 2023-03-27T04:00:00Z While scientists know the basics of that process, they never turn down more supernova data. Astronomers Have Spotted a Once-in-a-Decade Supernova—and You Can, Too 2023-05-24T04:00:00Z Someday—thousands or even millions of years from now but essentially tomorrow on galactic scales—WR 124 will explode in a spectacular supernova. Rare, Dust-Shrouded Dying Star Revealed in New JWST Image 2023-03-17T04:00:00Z Such a transformation occurs only with some stars and normally is the last step before they explode, going supernova, according to scientists. NASA Webb telescope captures star on cusp of death 2023-03-14T04:00:00Z Astronomers have used lensing to measure the expansion of the universe before but with quasars—the extremely bright cores of certain galaxies—rather than supernovae. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z Other than a general consensus that they’re caused by some astrophysical process, they’ve been variably attributed to solar activity, emissions from a nearby supernova or neutron star or even Earth’s close encounter with a comet. Mystery of Ancient Space Superstorms Deepens 2023-03-06T05:00:00Z “Andor” is a star that is about to hit its supernova. Analysis | ‘The Mandalorian’ is back, but Star Wars fandom has changed after ‘Andor’ 2023-03-01T05:00:00Z Moffat guesses the supernova remnant might instead stall out as a neutron star—the last stop before a collapsing star reaches a black hole’s ultimate oblivion. Rare, Dust-Shrouded Dying Star Revealed in New JWST Image 2023-03-17T04:00:00Z A leading hypothesis is that the solar system began as a massive cloud of interstellar dust and gas that collapsed, perhaps from the shockwave of a supernova triggered by an exploding star. A planned Uranus probe wouldn't get there till the 2040s. Here's why 2023-02-16T05:00:00Z But supernovae display more obvious changes in brightness, meaning the exact time delay in images can be more precisely measured, perhaps giving a higher level of accuracy. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z This endeavor will simulate supernovae—the end-of-life explosions of massive stars that, in their extremity, produce heavy elements. New Exascale Supercomputer Can Do a Quintillion Calculations a Second 2023-02-09T05:00:00Z When dying stars explode as supernovae, they usually eject a chaotic web of dust and gas. Weird Supernova Remnant Blows Scientists’ Minds 2023-02-01T05:00:00Z The telescope is meant to find new and potentially threatening near-Earth objects, as well as transient events such as supernovae—and things no one has thought of yet, as Tyson puts it. Satellite Constellations Are an Existential Threat for Astronomy 2023-01-31T05:00:00Z And when stars die, their core shrinks again as they burn off their fuel and begin to collapse into a white dwarf, a neutron star or even a black hole in a supernova explosion. Star Cores Spin Surprisingly Slowly—Scientists Now Think They Know Why 2023-01-24T05:00:00Z But while quasars may shine for millions of years—essentially forever for us—supernovae are short-lived, shining brightly for just weeks or months. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z Scientists have a rough idea of how supernovae play out, but no one actually knows the whole-cow version of these explosions or how heavy elements get made within them. New Exascale Supercomputer Can Do a Quintillion Calculations a Second 2023-02-09T05:00:00Z But a new image of a supernova’s remains looks completely different — as though its central star sparked a cosmic fireworks display. Weird Supernova Remnant Blows Scientists’ Minds 2023-02-01T05:00:00Z Software is supposed to filter those and to automatically contact the global astronomy community only for meaningful events, such as asteroids or supernovae, she says. Satellite Constellations Are an Existential Threat for Astronomy 2023-01-31T05:00:00Z The isotopic signatures also suggested each zone was fed by material forged in different ancient and distant sources, such as supernovae and red giant stars. Earthlike planets should readily form around other stars, meteorites suggest 2023-01-25T05:00:00Z To find out for certain, more time-delayed supernovae will need to be studied, and their values of the Hubble constant will need to be ascertained. Mirror-Image Supernova Yields Surprising Estimate of Cosmic Growth 2023-05-11T04:00:00Z In the past, most supernova simulations simplified the situation by assuming stars were spherically symmetric or by using simplified physics. New Exascale Supercomputer Can Do a Quintillion Calculations a Second 2023-02-09T05:00:00Z It is the most unusual remnant that researchers have ever found, and could point to a rare type of supernova that astronomers have long struggled to explain. Weird Supernova Remnant Blows Scientists’ Minds 2023-02-01T05:00:00Z “With the streaks, you can get these little weird blip-blip patterns, which our software will think is a potential object or a supernova, and it will flag it. And it’s just a satellite,” Rawls says. Satellite Constellations Are an Existential Threat for Astronomy 2023-01-31T05:00:00Z It’s possible SDSO-1 could be the remnant of a Milky Way star that exploded as a supernova, but then it should also be glowing in ultraviolet light and radio waves. A Recently Discovered Gas Cloud Near Andromeda Stumps Astronomers 2023-01-12T05:00:00Z For a long time they thought core-collapse supernovae—explosive deaths of stars more than eight to 10 times the mass of our sun—might host the r-process. How Star Collisions Forge the Universe’s Heaviest Elements 2023-01-09T05:00:00Z The catastrophic destruction of one these large stars is called a supernova. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z “I have worked on supernova remnants for 30 years, and I’ve never seen anything like this,” says Robert Fesen, an astronomer at Dartmouth College in Hanover, New Hampshire, who imaged the remnant late last year. Weird Supernova Remnant Blows Scientists’ Minds 2023-02-01T05:00:00Z Most of the atoms in your body were forged in the core of some ancient sun, as lighter elements fused into heavier ones; you are the vicarious survivor of star fire and supernovas. Opinion | Historic advance in nuclear fusion is truly something to celebrate 2022-12-13T05:00:00Z In nature, heavy rare isotopes are produced during the cataclysmic deaths of massive stars called supernovas or during the merging of two neutron stars. A particle accelerator that just turned on could reveal rare forms of matter 2022-11-26T05:00:00Z But simulations of typical core-collapse supernovae couldn’t reproduce the neutron richness and thermodynamic conditions needed except, perhaps, in the case of rare explosions driven by strong magnetic fields. How Star Collisions Forge the Universe’s Heaviest Elements 2023-01-09T05:00:00Z So when our team started looking at the wealth of data and images collected on the minute-long burst in December 2021, we expected to see a supernova. An unusual, long-lasting gamma-ray burst challenges theories about how they work 2023-01-01T05:00:00Z The data they collected not only helped to confirm that Pa 30 is indeed what’s left of the supernova observed in 1181, but also yielded an image of the remnant unlike any other. Weird Supernova Remnant Blows Scientists’ Minds 2023-02-01T05:00:00Z “It kind of feels like a supernova moment right now — a big, bright flash before it all goes away,” she said. Public safety accounts urge caution on Twitter after changes 2022-11-19T05:00:00Z “It kind of feels like a supernova moment right now - a big, bright flash before it all goes away,” she said. Public safety accounts urge caution on Twitter after changes 2022-11-19T05:00:00Z While the rest of the star gets expelled in the supernova, the neutron star remains intact—a compact remnant containing the densest matter known in the universe. How Star Collisions Forge the Universe’s Heaviest Elements 2023-01-09T05:00:00Z The telescope is meant to find new and potentially threatening near-Earth objects, as well as transient events like supernovae—and even things no one has thought of yet, as Tyson puts it. Satellite Constellations Are an Existential Threat for Astronomy 2022-11-07T05:00:00Z According to the leading theories, the star’s death and the subsequent black hole formation would have involved a supernova explosion and other processes that would have severely disrupted the other, smaller star in the system. Astronomers Find a Black Hole in Our Cosmic Back Yard 2022-11-05T04:00:00Z When certain large stars use up all their nuclear fuel and die, they collapse and detonate, creating a supernova. This star could be a bizarre "strange star" made of matter that shouldn't exist 2022-10-27T04:00:00Z These eat their way through the dying star and erupt outward while the rest of the star explodes as a very powerful supernova. The Brightest Gamma-Ray Burst Ever Recorded Rattled Earth’s Atmosphere 2022-10-21T04:00:00Z Observations of very old stars containing r-process elements suggest other possibilities, which include rare supernovae and collisions of neutron stars with black holes. How Star Collisions Forge the Universe’s Heaviest Elements 2023-01-09T05:00:00Z Software is supposed to filter those and to automatically contact the global astronomy community only for meaningful events, like asteroids or supernovae, she says. Satellite Constellations Are an Existential Threat for Astronomy 2022-11-07T05:00:00Z Instead, in 1987, it glimpsed neutrinos from a supernova—an advance that won a share of the Nobel Prize in Physics in 2002. Showdown: Two huge neutrino detectors will vie to probe matter’s origins 2022-09-28T04:00:00Z But it was his other early work, studying the spectroscopic fingerprint of hydrogen, that would prove crucial a decade later, when he discovered an object that made a supernova look like a child’s cap gun. Maarten Schmidt, Caltech astronomer who changed our understanding of the cosmos, dies 2022-09-23T04:00:00Z Outside the path you see a more typical supernova. The Brightest Gamma-Ray Burst Ever Recorded Rattled Earth’s Atmosphere 2022-10-21T04:00:00Z Some said they were the fading embers of a giant supernova. Maarten Schmidt, First Astronomer to Identify a Quasar, Dies at 92 2022-09-22T04:00:00Z “With the streaks, you can get these little weird blip-blip patterns, which our software will think is a potential object or a supernova, and it will flag it. And it’s just a satellite,” she says. Satellite Constellations Are an Existential Threat for Astronomy 2022-11-07T05:00:00Z Another tantalizing payoff could come if a giant star collapses and explodes as a supernova near our Galaxy, as one did in 1987. Showdown: Two huge neutrino detectors will vie to probe matter’s origins 2022-09-28T04:00:00Z In one moment, a student may sing a solo that lights up the room like a supernova only for them to later sing it through a clenched throat and held-back tears. At ACT, ‘Choir Boy’ explores creating space for Black boys to be vulnerable 2022-09-20T04:00:00Z Future proposals might look for evidence of those first protogalaxies, perhaps using the explosive deaths of supersized first stars in especially luminous and energetic supernovae as markers for their existence. JWST’s First Glimpses of Early Galaxies Could Break Cosmology 2022-09-14T04:00:00Z Observers normally don’t spot supernovae, for example, until hours after the event. All-seeing telescope will snap exploding stars, may spy a hidden world 2022-08-24T04:00:00Z These outbursts are supernovae, explosive stellar deaths that can also annihilate a star’s accompanying planets. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z This black hole was created by the supernova of one star in a two-star system. College Physics for AP Courses 2015-08-12T00:00:00Z The sudden appearance was due to a supernova explosion, which was much brighter than the original star. Chemistry 2019-02-14T00:00:00Z Some researchers have suggested that a gamma-ray burst, caused by a nearby supernova, is a possible cause of the Ordovician-Silurian extinction. Biology for AP Courses 2022-06-09T00:00:00Z But the supernova explosion has one more creative contribution to make, one we alluded to in Stars from Adolescence to Old Age when we asked where the atoms in your jewelry came from. Astronomy 2016-10-13T00:00:00Z Say the earth gets hit by a massive asteroid that destroys it, or the sun explodes into a supernova that encompasses the inner planets and incinerates them. Introduction to Philosophy 2022-06-15T00:00:00Z When a star erupts in a supernova explosion, huge numbers of electron neutrinos are formed in nuclear reactions. College Physics for AP Courses 2015-08-12T00:00:00Z Dr. Phil Massey, an astronomer at the Lowell Observatory in Flagstaff, Arizona, told Salon by email that he did not believe most astronomers seriously believed that Betelgeuse was ever going to explode as a supernova. Three years ago, a star in Orion inexplicably dimmed. Astronomers finally know why 2022-08-16T04:00:00Z The 11-minute score, inspired by classic Indian music, begins like a raga finding its tones and shortly explodes like an orchestral supernova in a wash of microtones before returning to its quiet origins. Review: Composer Lina González-Granados makes a big splash in the big outdoors in her Bowl debut 2022-08-12T04:00:00Z The supernova explosion produces a flood of energetic neutrons that barrel through the expanding material. Astronomy 2016-10-13T00:00:00Z And the first stars are short-lived giants; when they explode as supernovae they heat up gas clouds even more or blast them out of a forming galaxy completely. Webb telescope reveals unpredicted bounty of bright galaxies in early universe 2022-08-09T04:00:00Z Such neutrinos from the 1987A supernova in the relatively nearby Magellanic Cloud were observed within hours of the initial brightening, indicating they traveled to earth at approximately the speed of light. College Physics for AP Courses 2015-08-12T00:00:00Z New analysis of a space rock found in the desert in 1996 suggests it was forged in a rare “type Ia” supernova explosion. News Briefs from around the World: August 2022 2022-07-30T04:00:00Z Hot regions might mark the blast paths of material from past supernovae. ‘Voyager on steroids.’ Mission would probe mysterious region beyond our Solar System 2022-07-27T04:00:00Z This image shows the expanding remains of a supernova explosion, which was first seen about 400 years ago by sky watchers, including the famous astronomer Johannes Kepler. Astronomy 2016-10-13T00:00:00Z But the Webb results imply that at earlier times its pace was much more rapid—as fast, Somerville suggests, as if gas clouds were collapsing freely, without any braking from heat or supernovae. Webb telescope reveals unpredicted bounty of bright galaxies in early universe 2022-08-09T04:00:00Z The core of a star collapses during a supernova, forming a neutron star. College Physics for AP Courses 2015-08-12T00:00:00Z “The amount of attention on me has gone supernova, which super sucks. Unfortunately even trivial articles about me generate a lot of clicks,” Mr. Musk said. Elon Musk slams WSJ report that says he had affair with wife of Google co-founder 2022-07-26T04:00:00Z A red-carpet supernova just coming off a successful blockbuster, she might seem like the ready-made diva in this equation, with the full complement of celebrity entitlements and entanglements. HBO’s dazzling ‘Irma Vep' is just the TV series to restore your faith in movies 2022-07-25T04:00:00Z Life may well have formed around a number of pleasantly stable stars only to be wiped out because a massive nearby star suddenly went supernova. Astronomy 2016-10-13T00:00:00Z During the feast, the black hole can glow brighter than a supernova for months, before returning to a quiet state of hibernation. Radio bursts from ‘zombie’ black holes excite astronomers 2022-07-22T04:00:00Z Note that stars must be more massive than the Sun to form black holes as a result of a supernova. College Physics for AP Courses 2015-08-12T00:00:00Z Shock waves arise in many physical applications, ranging from supernovas to detonation waves. Calculus, Volume 1 2016-03-30T00:00:00Z These shots revealed some of the most distant galaxies and the first gravitationally lensed supernova. How Taking Pictures of ‘Nothing’ Changed Astronomy 2022-07-15T04:00:00Z Supernovae are classified according to the appearance of their spectra, but in this chapter, we will focus on the two main causes of supernovae. Astronomy 2016-10-13T00:00:00Z Large stars explode as supernovae and scatter the elements into space. Physical Geology 2015-01-01T00:00:00Z Black holes with masses smaller than those formed in supernovas may have been created in the Big Bang. College Physics for AP Courses 2015-08-12T00:00:00Z More massive stars do this as well but with a more energetic collapse, which starts another type of energy release mixed with element creation known as a supernova. An Introduction to Geology 2017-01-01T00:00:00Z Some astronomers speculated that it was on the verge of exploding as a supernova—an event otherwise predicted to occur within the next 100,000 years or so. Betelgeuse ‘Great Dimming’ Mystery Solved by Satellite Photobomb 2022-06-17T04:00:00Z This type of supernova will be discussed later in this chapter. Astronomy 2016-10-13T00:00:00Z Astronomers had expected the Voyagers to detect a sudden surge in galactic cosmic rays—high-energy particles sprayed like shrapnel at nearly the speed of light from supernovae and other deep-space cataclysms. Record-Breaking Voyager Spacecraft Begin to Power Down 2022-06-16T04:00:00Z Gravitational waves are created during the collision of massive stars, in black holes, or in supernova explosions—like shock waves. College Physics for AP Courses 2015-08-12T00:00:00Z In a supernova, the collapse of the core suddenly halts, creating a massive outward- propagating shock wave. An Introduction to Geology 2017-01-01T00:00:00Z Part of the observatory’s mission is to study the large-scale structure of the universe and spot distant exploding stars, also known as supernovas. Killer Asteroids Are Hiding in Plain Sight. A New Tool Helps Spot Them. 2022-05-31T04:00:00Z At a distance of approximately 11.5 million light-years from Earth, this is the closest supernova of type Ia discovered in the past few decades. Astronomy 2016-10-13T00:00:00Z Within a collapsed cloud of stellar debris — a gaseous solar nebula and likely the remnants of a dead supernova —our proto-sun started to turn on the heat. Did our solar system lose a planet? 2022-05-27T04:00:00Z Huge numbers of neutrinos are created in a supernova at the same time as massive amounts of light are first produced. College Physics for AP Courses 2015-08-12T00:00:00Z A supernova is the most energetic explosion in the universe short of the big bang. An Introduction to Geology 2017-01-01T00:00:00Z If the telescope could return to the same spot in the sky every two nights instead of every four, that could benefit other research, including the search for supernovas. Killer Asteroids Are Hiding in Plain Sight. A New Tool Helps Spot Them. 2022-05-31T04:00:00Z He soon realized that he had discovered a supernova, one that could be seen with the unaided eye even though it was about 160,000 light-years away. Astronomy 2016-10-13T00:00:00Z The result is both high tech and high camp, a glittery supernova of stupefying technology, 1970s nostalgia and pop music genius. Stars and royalty watch ABBA’s return in digital stage show 2022-05-27T04:00:00Z Thus, the fact that neutrinos were observed within hours of the brightening of the supernova only places an upper limit on the neutrino's mass. College Physics for AP Courses 2015-08-12T00:00:00Z Larger stars may explode in a supernova that packs their mass even tighter to become neutron stars. An Introduction to Geology 2017-01-01T00:00:00Z “I live in the world of bad news and this is like a supernova of good news.” Global Citizen NOW summit seeks solutions for global issues 2022-05-23T04:00:00Z The supernova remnant with its inner and outer red rings of material is located in the Large Magellanic Cloud. Astronomy 2016-10-13T00:00:00Z Instead you needed to look and listen a little harder to see how a promising teenager has turned supernova in the space of a year. Hodgkinson zeroes in on Mu duel after ruthless show 2022-05-21T04:00:00Z It is now thought that black holes can form in the supernova collapse of a massive star, forming an object perhaps 10 km across and having a mass greater than that of our Sun. College Physics for AP Courses 2015-08-12T00:00:00Z Astronomers aren't sure what causes the flashes, but they made a lot of progress when an especially energetic fast radio burst in 2020 was traced back to a magnetar, an enormous remnant of a supernova. Mammals’ Perseverance, Fast Radio Bursts and Health Justice 2022-05-17T04:00:00Z When a giant star explodes in a final, dramatic supernova, its collapse creates a tiny clot of matter so dense that its gravitational pull warps the fabric of space and time around it. Astronomers capture first image of supermassive black hole at our galaxy's center 2022-05-12T04:00:00Z It was also the first time astronomers had observed a star before it became a supernova. Astronomy 2016-10-13T00:00:00Z Some of the digital age’s titans, including Netflix and Facebook, are simultaneously ubiquitous, disruptive digital supernovas and tarnished stars careening into existential growth challenges. An unsteady moment for tech | Commentary 2022-04-29T04:00:00Z Neutron stars are stellar remnants, having the density of a nucleus, that hint that black holes could form from supernovas, too. College Physics for AP Courses 2015-08-12T00:00:00Z A supernova in our galaxy lit up the sky for 8 months in 185 A.D., marking humanity's first recorded observation. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z It has long been Germany’s biggest, richest, most glamorous team, but for years was held back by its supernova streak. Bayern Munich Just Won Its 10th Straight Title. Is It Breaking the Bundesliga? 2022-04-22T04:00:00Z The gas driven out into space by the subsequent supernova explosion is currently colliding with the material the star left behind when it was a red giant. Astronomy 2016-10-13T00:00:00Z It turned out that what he observed was a supernova remnant and pulsar wind nebula, but the crab image clearly left a lasting impression. The Hubble telescope turns 32: Here are some of its greatest hits 2022-04-23T04:00:00Z Suppose black holes radiate their mass away and the lifetime of a black hole created by a supernova is about 1067 years. College Physics for AP Courses 2015-08-12T00:00:00Z The first type of supernova occurs when a heavy star's core has become saturated with iron created through the nuclear fusion of lighter elements. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z Star explosions can happen on very different scales, from massive supernovae to plain old novae. "Micronova" explosions spotted on distant zombie stars 2022-04-20T04:00:00Z The supernova, which has been artificially dimmed, is located at the center of the ring. Astronomy 2016-10-13T00:00:00Z Others, besides SH0ES, have also been on the case, including the Pantheon+ team, which has compiled a large dataset of type Ia supernovae. Astronomers Gear Up to Grapple with the High-Tension Cosmos 2022-04-18T04:00:00Z In space, supernovas explode, briefly radiating more heat than an entire galaxy does. College Physics for AP Courses 2015-08-12T00:00:00Z While the explosion is far less energetic than a supernovas, micronovas still produce a lot of energy. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z It has been a year since the European Super League was born and collapsed in a two-day soccer supernova of angry statements, legal threats and bad blood. Super League Bitterness, Now Playing in a New York Court 2022-04-15T04:00:00Z The fact that we see individual spots suggests that material ejected by the supernova is first hitting narrow, inward-projecting columns of gas in the clumpy ring. Astronomy 2016-10-13T00:00:00Z Enhanced supernovae detectors and the pursuit of mysterious sterile neutrinos are also on the table for filling the two open detector slots. Troubled U.S. Neutrino Project Faces Uncertain Future–and Fresh Opportunities 2022-04-13T04:00:00Z From all around the country and the world, they began watching the whole supernova of it, year upon year, and on Sunday, Scheffler spoke from the winner’s interview dais. Analysis | The dominance of Tiger Woods led to so much excellence, it’s hard to follow 2022-04-11T04:00:00Z Another key similarity between a supernova and micronova is how long they last. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z Regardless of its company, Earendel lasted barely a few million years before exploding as a supernova that went unobserved as most do, Welch said. Twinkle, twinkle: Astronomers discover farthest star yet 2022-03-30T04:00:00Z Note how the rate of decline of the supernova’s light slowed between days 40 and 500. Astronomy 2016-10-13T00:00:00Z A junior high school friend gushed over the “supernova” debate team champion. Takeaways: Jackson hearing shows breadth of partisan divide 2022-03-24T04:00:00Z Predictably, many researchers balked, calling the idea wrongheaded or worse — “a supernova of stupid,” as one put it on Twitter. These Climate Scientists Are Fed Up and Ready to Go on Strike 2022-03-01T05:00:00Z In a supernova, the explosion takes seconds or minutes, but it will leave remnants in the sky for days, weeks, or years. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z The most distant supernova seen by astronomers to date goes back 12 billion years. Twinkle, twinkle: Astronomers discover farthest star yet 2022-03-30T04:00:00Z These were detected by Earth-orbiting telescopes at the wavelengths expected for the decay of radioactive nickel and cobalt, clearly confirming our understanding that new elements were indeed formed in the crucible of the supernova. Astronomy 2016-10-13T00:00:00Z When combined with research performed by NASA’s Chandra X-Ray Observatory, which launched in 1999, the supernova presents an image crackling with energy. New NASA mission sheds light on supernova 2022-02-20T05:00:00Z Researchers recently found a transient that outshines all others like it—a supernova known as AT2020mrf. Record-Breaking Supernova Is Part of a New Class of Objects 2022-02-21T05:00:00Z For centuries, human beings have been fascinated by supernovas, the violent explosion of a massive star at the end of its life. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z A second image shows the Cassiopeia A supernova in bright magenta and blue. NASA reveals first images from its new X-ray mission 2022-02-15T05:00:00Z In the initial second of the event, as we noted earlier in our general discussion of supernovae, their total luminosity exceeded the luminosity of all the stars in over a billion galaxies. Astronomy 2016-10-13T00:00:00Z The results, they hope, will reveal more about what’s happening inside, providing details of things such as what the light passes through, what kinds of magnetic fields supernovae produce and more. New NASA mission sheds light on supernova 2022-02-20T05:00:00Z It followed a few other superbright events that have been observed in recent years—astronomers refer to them as “cow-like” supernovae, or “cows,” after the first of their type discovered: AT2018cow. Record-Breaking Supernova Is Part of a New Class of Objects 2022-02-21T05:00:00Z Since then, songs, ballads, novels and movies have been written about supernovas, emphasizing both their power and mystery. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z Chandra’s data, collected shortly after that telescope first launched in 1999, revealed evidence of an object like a black hole or neutron star at the center of the supernova remnant. NASA reveals first images from its new X-ray mission 2022-02-15T05:00:00Z And the supernova generated this energy in a volume less than 50 kilometers in diameter! Astronomy 2016-10-13T00:00:00Z Cassiopeia A is the remnant of a supernova explosion that took place when a gigantic star collapsed in the 17th century. New NASA mission sheds light on supernova 2022-02-20T05:00:00Z Upon hearing the news, Yao’s mind jumped straight to the mysterious cow-like events because they are the only type of supernova known to emit so many x-rays. Record-Breaking Supernova Is Part of a New Class of Objects 2022-02-21T05:00:00Z And then there's the rarely-seen third type, the so-called electron collapse supernova, which was widely theorized for a long time, but observations were only confirmed in 2021. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z A new radio image reveals supernova remnants, threads of energy and other features both new and known.Credit...I. An Electrifying View of the Heart of the Milky Way 2022-01-31T05:00:00Z Since the neutrinos come directly from the heart of the supernova, their energies provided a measure of the temperature of the core as the star was exploding. Astronomy 2016-10-13T00:00:00Z Colors denote the bright radio emissions from objects such as stellar nurseries and supernova remnants, the expanding shells of exploded stars. News at a glance: Mysterious space filaments, damaged dinosaur tracks, and edible worms 2022-02-02T05:00:00Z Astronomers are still puzzling out what makes these supernovae special. Record-Breaking Supernova Is Part of a New Class of Objects 2022-02-21T05:00:00Z Now, astronomers believe they've discovered a new type of stellar explosion, similar to a supernova, that occurs when a star dies. A supernova in miniature: Bizarre "micronovas" are exploding in small stars, astronomers say 2022-04-25T04:00:00Z Slow transients, such as a supernovae, become extremely luminous over days or months. In Earth's galactic backyard, a never-before-seen space anomaly blinks on and off 2022-02-01T05:00:00Z Eventually, the white dwarf acquires so much mass that it is pushed over the Chandrasekhar limit and becomes a type Ia supernova. Astronomy 2016-10-13T00:00:00Z "Slow transients" like a supernova can suddenly appear then disappear a few months later as the stellar explosion dissipates. Scientists amazed by blinking star's 'totally unexpected' behavior 2022-01-27T05:00:00Z The shockwave the supernova sends through the surrounding space heats up the newly dense environment, too, creating the radio emission astronomers observe. Record-Breaking Supernova Is Part of a New Class of Objects 2022-02-21T05:00:00Z According to the team’s calculations the Local Bubble began 14 million years ago with a massive supernova, the first of about 15; massive stars died and blew up. A New Map of the Sun’s Local Bubble 2022-01-20T05:00:00Z Another possibility still would be studying the ancient remnants of a nearby supernova. U.S. and Chinese Scientists Propose Bold New Missions beyond the Solar System 2022-01-06T05:00:00Z Such an explosion is also called a supernova, since, like the destruction of a high-mass star, it produces a huge amount of energy in a very short time. Astronomy 2016-10-13T00:00:00Z As the star dies in a supernova, protons and electrons in its core are crushed into a compressed solar mass that combines intense gravity with high-speed rotation and powerful magnetic forces, according to NASA. Astronomers Report a Monstrous Eruption from a Supermagnetic Star 2022-01-05T05:00:00Z Cows may provide a window into that hard-to-observe time frame and sharpen our understanding of how black holes and neutron stars are born within supernovae. Record-Breaking Supernova Is Part of a New Class of Objects 2022-02-21T05:00:00Z “Still, more supernovae are expected to take place in the near future, like Antares, a red supergiant star near the edge of the bubble that could go any century now,” Dr. Alves said. A New Map of the Sun’s Local Bubble 2022-01-20T05:00:00Z As these stars expired in explosive supernovae, the resulting winds and shocks would drive outflows of dark matter away from the galactic center. Dark Matter May Be Missing from This Newfound Galaxy, Astronomers Say 2021-12-22T05:00:00Z This type of supernova is brighter than supernovae produced by the collapse of a massive star. Astronomy 2016-10-13T00:00:00Z A brand-new space telescope will soon reveal a hidden vision of the cosmos, potentially transforming our understanding of black holes, supernovas and even the nature of the universe itself. New NASA Telescope Will Provide X-Ray Views of the Universe 2021-12-09T05:00:00Z Such stars might have quickly grown to be hundreds of times more massive than the sun and then just as quickly exploded as supernovas. Webb Telescope Prepares to Ascend, With an Eye Toward Our Origins 2021-12-20T05:00:00Z “Personally, I think that even with all of the hype, the Webb will still exceed expectations,” said the institute’s Ori Fox, who will use Webb to study supernovae, or exploded stars. Hubble telescope’s bigger, more powerful successor to soar 2021-12-20T05:00:00Z These are events like the explosive destruction of a star, known as a supernova, or when two particularly dense stars come together in a cataclysmic merger, known as a kilonova. How astronomers decided where to point the most powerful space telescope NASA ever built 2021-12-20T05:00:00Z Thus, type Ia supernovae can be seen at very large distances, and they are found in all types of galaxies. Astronomy 2016-10-13T00:00:00Z Magnetars are an extreme form of neutron stars, city-sized remnants with obscenely powerful magnetic fields left behind when massive stars die in supernova detonations. Mysterious Fast Radio Bursts Are Finally Coming into Focus 2021-11-22T05:00:00Z They burned hard and died fast in spectacular supernova explosions, dispelling the gloomy fog of gas left over from the primordial fireworks known as the Big Bang 13.8 billion years ago. Webb Telescope Prepares to Ascend, With an Eye Toward Our Origins 2021-12-20T05:00:00Z The collision triggers enhanced star formation, but gravitational tidal forces and winds from supernovae within the clusters may easily tear them apart. Galaxy Collisions Preview Milky Way’s Fate 2021-11-16T05:00:00Z If astronomers spot a particularly juicy supernova occurring in the sky, JWST’s operators are prepared to reorient the schedule so that they can quickly observe the aftermath of the eruptive event. How astronomers decided where to point the most powerful space telescope NASA ever built 2021-12-20T05:00:00Z Type II supernovae are also less consistent in their energy output during the explosion and can have a range a peak luminosity values. Astronomy 2016-10-13T00:00:00Z Later generations of stars contain heavier elements, forged in stellar furnaces and scattered by supernovae, that radiate energy efficiently. On the launch pad at last, NASA’s Webb telescope will probe first stars and weather on alien worlds 2021-11-11T05:00:00Z Those supernova explosions are surmised to have began the process, continuing today, of seeding the galaxy with heavier and more diverse elements like oxygen and iron, the things necessary for planets and life. Webb Telescope Prepares to Ascend, With an Eye Toward Our Origins 2021-12-20T05:00:00Z These tiny, chargeless specks stream out of the sun, as well as supernovae and other cosmic events, and about a trillion of them pass through your hand each second. Can Sterile Neutrinos Exist? 2021-11-04T04:00:00Z Scientists will use the $145 million Compton Spectrometer and Imager, to be launched in 2025, to study how stars forge elements, by tracking gamma rays from the decay of radioactive atoms produced in supernovae. News at a glance: Climate promises, a predatory ‘Hydra’ publisher, and tracking the birth of elements 2021-10-27T04:00:00Z It is possible that, under the right circumstances, a binary system can even survive the explosion of one of its members as a type II supernova. Astronomy 2016-10-13T00:00:00Z Astronomers believe some process—supernovae explosions, blasts from AGNs, or stellar winds produced by giant stars—could have blown clouds of gas out of galaxies, starving star formation of its fuel. On the launch pad at last, NASA’s Webb telescope will probe first stars and weather on alien worlds 2021-11-11T05:00:00Z I never imagined Halyna becoming the metaphor she so masterfully captured in the film, but now I know she is a supernova. Appreciation: She was a supernova. Filmmaker Rachel Mason on her friendship with ‘Rust’ DP Halyna Hutchins 2021-10-27T04:00:00Z Powell’s mixed record as secretary of state during the planning and launch of the 2003 Iraq War has slightly obscured the supernova that he was in the 1990s. Opinion | What if Colin Powell had run for president in 1996? 2021-10-19T04:00:00Z The mission will also study other high-energy objects, such as giant stars exploding as supernovae and matter-gorging black holes in galactic centers. News at a glance: Climate promises, a predatory ‘Hydra’ publisher, and tracking the birth of elements 2021-10-27T04:00:00Z Why would a massive star with its outer layers missing sometimes produce a gamma-ray burst at the same time that it explodes as a supernova? Astronomy 2016-10-13T00:00:00Z Having shot to fame in her early 20s as a Broadway supernova, Holliday found success as an R&B and gospel singer. Review: Jennifer Holliday, vulnerable and resplendent, shines at the Wallis 2021-10-10T04:00:00Z Halyna filmed the dancer Oguri pulling a beam of light into his body before shooting entrails of fabric as he exploded into a supernova. Appreciation: She was a supernova. Filmmaker Rachel Mason on her friendship with ‘Rust’ DP Halyna Hutchins 2021-10-27T04:00:00Z The instrument monitors pulsars, left behind by supernova explosions, using them to hunt for gravitational waves. Book review: The mirage of a town without cellphones 2021-10-09T04:00:00Z The swarms would interfere not just with the Rubin, but any other wide-field studies of dark matter, dark energy, interstellar comets, and flaring transients such as supernovae. Satellite swarms are threatening the night sky. Is low-Earth orbit the next great crucible of environmental conflict? 2021-10-06T04:00:00Z Furthermore, no supernova was ever detected after the burst, despite extensive searching. Astronomy 2016-10-13T00:00:00Z A nearby supernova might bathe the earth in lethal radiation. Death, Physics and Wishful Thinking 2021-09-27T04:00:00Z A supernova is caused when a very intense star collapses at its core, imploding right before shooting off a trail of vast and infinite potential into the cosmos. Appreciation: She was a supernova. Filmmaker Rachel Mason on her friendship with ‘Rust’ DP Halyna Hutchins 2021-10-27T04:00:00Z But for the past decade or so, increasingly accurate measurements of that expansion, based on observations of supernova explosions and other techniques, have found it to be 5–10% faster. New Type of Dark Energy Could Solve Universe Expansion Mystery 2021-09-22T04:00:00Z A distant supernova previously imaged by the Hubble Space Telescope will be visible again from Earth in 2037, astronomers predict. This Supernova Will Make a Ghostly Reappearance in 2037 2021-09-15T04:00:00Z A red supernova was also observed at this location, and the ejected material was rich in heavy elements. Astronomy 2016-10-13T00:00:00Z Moreover, making use of the site would fill a gap in scientists' existing global network of high-altitude, high-caliber observatory complexes, allowing for more reliable monitoring of phenomena that change rapidly, like supernovas. Chinese Astronomers Eye Tibetan Plateau Site for Observatory Project 2021-08-19T04:00:00Z The fourth concept, the Lynx X-ray Observatory, would be the most powerful x-ray astronomy facility ever built, offering intimate views of black holes, active galaxies and violent supernovae across cosmic time. This Report Could Make or Break the Next 30 Years of U.S. Astronomy 2021-08-18T04:00:00Z The athletes represented, in essence, the gamut of sporting careers, from supernova prodigies to late bloomers to flameouts. The Making of an Olympian 2021-08-04T04:00:00Z The supernova, dubbed Requiem, is a result of a stellar explosion some 10 billion light-years away. This Supernova Will Make a Ghostly Reappearance in 2037 2021-09-15T04:00:00Z The core rebounds and transfers energy outward, blowing off the outer layers of the star in a type II supernova explosion. Astronomy 2016-10-13T00:00:00Z And by Monday night, they had not righted themselves, still appearing so stagnant and disordered that not even a trio of supernova veterans subbing in with 30 minutes left could save them. U.S. women’s soccer team loses to Canada in semifinals, ending bid for Olympic gold 2021-08-02T04:00:00Z This will not be some impossibly remote event like the sun blowing up in a supernova several billion years from now. Artificial intelligence wants you (and your job) 2021-07-27T04:00:00Z Naomi Osaka is a supernova, perhaps the most widely known female athlete on the planet not named Serena Williams, Osaka’s idol who astutely decided not to bother with the Games. The Olympics Rely On, but Don’t Support, Black Girl Magic 2021-07-23T04:00:00Z A supernova explosion lasts only dozens of seconds. This Supernova Will Make a Ghostly Reappearance in 2037 2021-09-15T04:00:00Z A supernova occurs on average once every 25 to 100 years in the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Metzger calls the Cow a “Rosetta Stone event” that could be useful in interpreting more of these failed supernovae. Stellar explosion could be a failed supernova giving birth to a black hole 2021-07-20T04:00:00Z Richard Bland, late-blooming hero of this year’s British Masters and supernova presence at the US Open, looked all set to be packing his bags. The Open 2021: second round – live updates! 2021-07-16T04:00:00Z Based on the ages and masses of the 79 stars remaining in the clumps, Breitschwerdt estimates that a dozen former members exploded as supernovae in the past 13 million years. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z Upon closer examination of the images, the scientists could also see that the bright dots were surrounded by dusty smears, likely magnified snapshots of the supernova’s host galaxy. This Supernova Will Make a Ghostly Reappearance in 2037 2021-09-15T04:00:00Z Despite the odds, no supernova in our Galaxy has been observed from Earth since the invention of the telescope. Astronomy 2016-10-13T00:00:00Z |
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