| 单词 | giant star |
| 例句 | The Sun will become a red giant star, its visible surface so far from its interior that the gravity at its surface grows feeble, its atmosphere expanding into space in a kind of stellar gale. Cosmos 1980-01-01T00:00:00Z A lot of the time you don’t need giant stars – you just need people who are really good. ArtsBeat: Hold On for One More Day: Judd Apatow Talks About the Aftermath of 'Bridesmaids' 2011-05-16T21:49:42Z David and Marta were the giant stars of the writing team. 'Jennifer Aniston cried in my lap': the inside story of Friends 2019-02-06T05:00:00Z But he didn’t want a big, giant star. Lauren Ambrose Finally Gets Her Musical 2018-02-27T05:00:00Z This blue giant star lies 97 light-years from Earth and shines 200 times brighter than our sun. 5 famous constellations that (almost) anyone can find 2023-08-23T04:00:00Z Astronomers thought the black holes formed stepwise within early galaxies, as giant stars collapsed and merged, but quasars detected from when the universe was less than 1 billion years old have challenged the idea. Giant black hole formed puzzlingly fast at dawn of cosmos 2023-08-22T04:00:00Z 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 Visualized as a chart, the gaps and peaks of black hole masses can reveal new details about the ways giant stars die. Gravitational-Wave Search Resumes after Three Years and Lots of Headaches 2023-05-23T04:00:00Z 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 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 For example, astronomers have noticed for decades that some giant stars are rotating much faster than expected. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z This image compares the size of the Sun to that of Delta Boötis, a giant star, and Xi Cygni, a supergiant. Astronomy 2016-10-13T00:00:00Z It has become a red giant star so enormous that, were it to replace our sun, its swollen atmosphere would envelop all the planets out to Jupiter. Ancient Stargazers Saw Betelgeuse Shine a Different Color 2022-08-18T04:00:00Z He hypothesized that the long-chain molecules were created in the atmospheres of carbon-rich red giant stars. Robert F. Curl Jr., Nobel Prize Winner in Chemistry, Dies at 88 2022-07-20T04:00:00Z Stellar black holes form when a dying giant star explodes and much of its material—minus the blast debris—collapses. A way to find ‘quiet’ black holes finally bears fruit 2022-07-17T04:00:00Z For now, the MIT team suspects that neutron stars, formed from the collapsing cores of giant stars, are the origin of the signals. MIT scientists pick up radio signals ‘like a heartbeat’ from billions of light-years away 2022-07-14T04:00:00Z Since we are pretty sure that when the Sun becomes a giant star, all life on Earth will be wiped out, does your group think that we should start making preparations of any kind? Astronomy 2016-10-13T00:00:00Z 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 Wendy Freedman, an astronomer at the University of Chicago, uses a certain class of red giant stars as her preferred standard candle. The James Webb Space Telescope Could Solve One of Cosmology’s Deepest Mysteries 2022-01-25T05:00:00Z In approximately five billion years, as the sun expands into a red giant star roughly the diameter of Earth’s orbit around it, our galaxy will collide with its nearest large neighbor, Andromeda. Galaxy Collisions Preview Milky Way’s Fate 2021-11-16T05:00:00Z There’s a reason the Cowboys’ logo is a giant star. Rams? Bucs? Cowboys? Which NFL team has the most star power? Here's our rankings 2021-11-12T05:00:00Z And these collisions would lead to mergers of stars, and very soon the one giant star that they form would collapse into a black hole. 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 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 When a yellow dwarf burns off all the hydrogen in its core, it balloons into a red giant star. Astronomers observe a distant solar system that looks a lot like ours will after the sun explodes 2021-10-20T04:00:00Z Over the summer he tweaked the planetarium projector so that the sky rotated around Betelgeuse, the red giant star at Orion’s shoulder, rather than Polaris. What Animals See in the Stars, and What They Stand to Lose 2021-07-29T04:00:00Z These stars are called, appropriately enough, giant stars or supergiant stars. Astronomy 2016-10-13T00:00:00Z Scientists think stellar-mass black holes, which contain up to a few times the sun's mass, form when giant stars die and collapse in on themselves. Astronomers Just Upsized an Iconic Black Hole 2021-02-24T05:00:00Z These include emissions that occur when giant stars collide or when neutron stars collapse into black holes. Enigmatic fast radio burst pinned on magnetised dead star 2020-11-04T05:00:00Z The white dwarf was previously a giant star, the outer envelope of which once extended well beyond the planet’s orbit. Planet discovered transiting a dead star 2020-09-15T04:00:00Z How could a giant star disappear so fast? The mystery of the massive star that disappeared without a trace 2020-07-02T04:00:00Z These two images show a ring of gas expelled by a red giant star about 30,000 years before the star exploded and was observed as Supernova 1987A. Astronomy 2016-10-13T00:00:00Z When the giant star does run out of fuel, however, it will collapse and rebound in a spectacular explosion. Nearby supergiant star's dimming explained 2020-06-29T04:00:00Z In the standard picture of these explosions, known as type Ia supernovae, a nearby giant star lights the fuse. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z The sun rotates once a month, but Walker thought Gamma Cephei was a giant star, which could be rotating much more slowly. Who Really Discovered the First Exoplanet? 2019-11-12T05:00:00Z Space.com reports that Mercury will "look like a tiny, traveling blemish" on the Sun's face as it passes in front of the giant star. Mercury transit 2019: What to know 2019-11-05T05:00:00Z The mutual revolution of the giant star and the black hole causes the material falling toward the black hole to spiral around it rather than flow directly into it. Astronomy 2016-10-13T00:00:00Z Neutron stars are the compressed remains of a supernova and are created when giant stars collapse in explosions of almost unfathomable size. 'Biggest' star in the universe discovered, 700K times heavier than Earth 2019-09-16T04:00:00Z PASADENA, Calif. -- With corresponding videos, the giant stars were unfurled on the Rose Bowl grounds, one at a time, each symbolizing U.S. women’s soccer excellence. With change in the air and a battle on the horizon, the USWNT returns with a win over Ireland 2019-08-04T04:00:00Z It’s likely that the sun will expand into a red giant star and swallow the entire Earth long before then. Our moon — partner, protector, benefactor 2019-06-18T04:00:00Z When dying red giant stars throw off material, dust particles form; those particles are later destroyed by supernova blast waves, which move through space at more than 6,000 miles per second, according to NASA. Cosmic dust survives obliteration in massive red supernova, NASA shows in stunning visual 2019-02-11T05:00:00Z Because it is so large, a giant star’s atoms are spread over a great volume, which means that the density of particles in the star’s photosphere is low. Astronomy 2016-10-13T00:00:00Z Such black holes are formed by the gravitational collapse of giant stars. Has LIGO Seen Galaxy-Warped Gravitational Waves? 2019-01-18T05:00:00Z After removing the parallax-bearing stars, the researchers homed in on more than 100 red giant stars moving together in the constellation Antlia, they report in a paper posted to the preprint server arXiv this week. Large, strangely dim galaxy found lurking on far side of Milky Way 2018-11-13T05:00:00Z A giant stars and stripes hung above the stage. John James: ‘Battle-tested, ready to lead’ … and a black American for Trump 2018-10-20T04:00:00Z But in 2003, an infrared survey sensitive to the rare, red giant stars in the stream showed how it wraps around the Milky Way like a claw. Streams of stars reveal the galaxy’s violent history—and perhaps its unseen dark matter 2018-10-04T04:00:00Z As a red giant star gets a lot bigger, a point on the surface of the star is now farther from the center, and thus has less gravity. Astronomy 2016-10-13T00:00:00Z When giant stars die, they don’t just fade away. Black Hole Pretenders Could Really Be Bizarre Quantum Stars 2018-03-16T04:00:00Z The red giant star, which sits 36 light-years away, will appear to be eclipsed by the gibbous moon in the early morning hours for observers in northwestern North America. Blue Moon Eclipse and More Can't-Miss Sky Events in January 2018-01-01T05:00:00Z Much of the dust is believed to be the product of supernovas, explosions of giant stars, like one visible from Earth in 1987. Starry, Starry Dust 2017-12-21T05:00:00Z Marking the right shoulder of this iconic pattern is a rare red giant star that is an awesome example of impending stellar death. Halloween Sky Guide: 6 Eerie Sights to Haunt Your Night 2017-10-27T04:00:00Z The first cluster contains mainly main-sequence stars, along with some red giant stars and a few white dwarfs. Astronomy 2016-10-13T00:00:00Z Previously, we thought the majority of the universe’s gold was crafted by supernovae—the explosive deaths of giant stars. What Are Gravitational Waves, and Why Do They Matter? 2017-10-16T04:00:00Z Gravitational waves are ripples in space and time caused by cataclysmic events in the Universe such as the collision of two black holes or the explosion of a giant star. Gravity hunters bag fourth detection 2017-09-27T04:00:00Z That suggests that a companion star — another white dwarf, a star like the Sun or even a giant star — helps to set each supernova in motion. Supernova’s messy birth casts doubt on reliability of astronomical yardstick 2017-08-16T04:00:00Z All galaxies, including the Milky Way, function to some extent as giant star nurseries; when one star dies and explodes, the resulting nebula will often create one or more stars in its wake. Study: The Milky Way is swarming with black holes 2017-08-09T04:00:00Z The second cluster also contains mainly main-sequence stars, along with some red giant stars, and a few neutron stars—but no white dwarf stars. Astronomy 2016-10-13T00:00:00Z A giant star near the center of our galaxy hints, once again, that Albert Einstein was correct about gravity. Closest Supermassive Black Hole Tests Einstein's Relativity 2017-08-09T04:00:00Z That eye is really the red giant star Aldebaran, which sits 67 light-years from Earth. Record Supermoon and 9 More Can't-Miss Sky Events in November 2016-11-01T04:00:00Z The blue-white giant star marks the heart of Leo, the lion, the mythical king of the cosmic jungle. This Week’s Night Sky: See Jupiter as a NASA Probe Closes In Bright, ruddy Mars will be high in the southern evening sky this week along with the ringed planet Saturn and the red giant star Antares. This Week’s Night Sky: See Stormy Mars and Faint Pluto A giant star has a large, extended photosphere. Astronomy 2016-10-13T00:00:00Z There is currently enormous excitement around gravitational waves - the ripples in space-time generated in cataclysmic cosmic events, such as the merger of black holes and the explosion of giant stars. Gravity space mission passes big test - BBC News 2016-06-07T04:00:00Z This red giant star some 642 light-years distant belongs to the great constellation Orion, the hunter, which dominates the winter season in the Northern Hemisphere. This Week’s Night Sky: Catch the Moon Cruising by Jupiter About two million years ago, a giant star in Earth’s neighborhood exploded. Exploding Stars Spat Radioactive Debris All Over Earth 2016-04-06T04:00:00Z Aldebaran is a dying red giant star about 66 light-years from Earth. This Week’s Night Sky: See Mercury Take Flight As a result, the pressure in a giant star’s photosphere is also low. Astronomy 2016-10-13T00:00:00Z They found that Kepler recorded the explosions of two giant stars in 2011 — one that was 300 times the size of our Sun and one that was about 500 times the Sun's size. Astronomers observe the bright flash from a star's explosion for the first time 2016-03-22T04:00:00Z In another, he strummed a guitar, without a shirt on, a giant star tattooed on his shoulder, and sang of "Satan, the father." A 35-year-old self-avowed devil worshipper accused of strangling his roommate at their Kentucky nursing home has been ordered to undergo a mental evaluation before the case against him can proceed 2016-03-02T05:00:00Z She was getting a lot of exposure, not the giant star she is now.” From Clarksburg to Broadway to Pittsburgh 2016-02-07T05:00:00Z DS: A singularity is what you end up with when a giant star is compressed to an unimaginably small point. Stephen Hawking’s Reith lecture: Annotated transcript - BBC News 2016-01-26T05:00:00Z Second, more atoms are ionized in a giant star than in a star like the Sun with the same temperature. Astronomy 2016-10-13T00:00:00Z Primordial clouds show how giant stars forged the heavy elements that fill today's universe. Astronomers see ashes of the first stars | Science 2016-01-14T05:00:00Z Einstein did not want any of them in his universe, and in 1939 he published a paper attempting to show that the collapse of giant stars would be halted before a singularity could be formed. The most beautiful theory 2015-11-25T05:00:00Z The next morning, on Thursday, for lucky skywatchers in Canada and the northern United States, the orange giant star Aldebaran will appear to be covered by the moon starting at 5:49 a.m. This Week’s Night Sky: Moon Eclipses the Bright Star Aldebaran 2015-11-23T05:00:00Z Shining with a distinct orange hue, Betelgeuse is a red giant star that is 700 times the size of our sun. This Week's Night Sky: Moon Hits a Bull’s Eye 2015-09-28T04:00:00Z Its spiraling arms sparkle with blue-white giant stars. Week's Best Space Pictures: Gorgeous Galaxies Far, Far Away 2015-09-18T04:00:00Z Primordial clouds show how giant stars forged the heavy elements that fill today's universe. Astronomers see ashes of the first stars | Science 2016-01-14T05:00:00Z Backyard astronomers will get a chance this week to spot the giant star factory for themselves. This Week's Night Sky: Meteor Shower and a Dip in Lagoon Nebula 2015-08-10T04:00:00Z Early risers on Saturday, get treated to a pretty conjunction of the moon with the orange giant star Aldebaran and the Pleiades star cluster. This Week's Night Sky: Mars Lines Up With Stellar Twins 2015-08-03T04:00:00Z One of the closest and brightest giant stars to Earth will be easy to find after nightfall on Tuesday thanks to the moon forming a triangular pattern with nearby Spica. This Week's Night Sky: Hunt Down Dwarf Planet Ceres 2015-07-20T04:00:00Z Its spiraling arms sparkle with blue-white giant stars. Week's Best Space Pictures: Gorgeous Galaxies Far, Far Away 2015-09-18T04:00:00Z The discovery of the pentaquark may provide hints as to what happens when giant stars collapse. Scientists Discover the Pentaquark 2015-07-14T04:00:00Z For example, scientists speculate that pentaquarks are formed when giant stars collapse to become highly compact objects known as neutron stars. Hadron Collider Scientists Stumble Upon ‘Pentaquark’ Particle 2015-07-14T04:00:00Z This is the process at play in red giant stars, with more massive stars creating elements such as nitrogen, oxygen, neon, magnesium, silicon, sulphur, and iron-cobalt-and-nickel. The Only Three Heavy Elements In The Universe That Aren't Made In Stars 2015-07-01T04:00:00Z These ripples in the fabric of space-time are predicted to result from extreme cosmic events, such as the merger of black holes and the explosive demise of giant stars. Advanced Ligo gravitational wave hunt is green lit - BBC News 2015-05-20T04:00:00Z Its spiraling arms sparkle with blue-white giant stars. Week's Best Space Pictures: Gorgeous Galaxies Far, Far Away 2015-09-18T04:00:00Z Originally, US 708 was a red giant star, and its partner was a white dwarf. Fastest Star in the Galaxy Got an Unusual Start 2015-03-05T05:00:00Z In fact, these nebulae are the bright, energised gas clouds created when a red giant star dies and evolves into a white dwarf. Doomed stars found at nebula's heart 2015-02-09T05:00:00Z Smaller ones are the results of giant stars collapsing. Sounds like the light idea 2014-10-16T04:00:00Z Astronomers are closer to answering that question with the discovery of two remote giant stars. Far Out: The Most Distant Star in the Milky Way 2014-08-11T04:00:00Z The nutty thing Levesque and three colleagues discovered looks like an ordinary red giant star, similar in appearance to Betelgeuse, which marks one of Orion’s shoulders. A Giant Star With a Chewy Chocolate Center—Sort Of 2014-06-10T04:00:00Z The 1987 supernova was in a different category, type 2 — explosions thought to result from the collapsing cores of giant stars. Supernova Erupts in Nearby Galaxy 2014-01-23T05:00:00Z Astronomers using NASA’s Kepler space telescope analyzed a giant star called Kepler 56, about 3,000 light-years from Earth. System Has Multiple Planets Off Kilter 2013-10-22T00:45:00.360Z The research team will be continuing its observation of the system in the hopes of finding another planet around the giant star. Astronomers Locate Massive 'Super-Jupiter' Around Giant Star 2012-11-20T18:31:36Z First, it found that red giant stars oscillated in a way that theorists hadn’t expected, giving astronomers new insight into the structure and evolution of the aging stars. European Exoplanet-Hunting Space Telescope Nears Its End 2012-11-19T16:15:00.287Z The resulting chimera would look like an ordinary giant star with no obvious sign of its hybrid nature. A Giant Star With a Chewy Chocolate Center—Sort Of 2014-06-10T04:00:00Z An intriguing spiral structure surrounding a pulsing red giant star may be offering a preview of how the sun will behave at the end of its life. Strange Star Spiral Offers Clues to Sun's Fate 2012-10-11T15:15:01.053Z A pulsar is a kind of neutron star, a stellar corpse left over from a supernova, a giant star explosion that crushes protons with electrons to form neutrons. Alien Planets Circling Pulsars May Leave Electric Trails 2012-10-02T15:15:00.307Z The other way is slow, with the white dwarf dragging material from a companion that is more like the Sun as it is now, or a giant star, over time. Supernova 1006 lived fast and left no companion behind 2012-09-26T19:45:00.210Z The researchers suggest the companion was a red giant star, much like what our sun is expected to become in about 5 billion years. Red Giants and White Dwarfs Make Explosive Stellar Pairings 2012-08-23T21:15:00.213Z The second piece of evidence discovered by the astronomers is the highly elliptical orbit of a newly discovered planet around the red giant star. Star is caught devouring planet 2012-08-21T15:55:38Z Incidentally, that's the same fate that awaits Mercury and Venus, the two innermost planets in our own solar system, when the sun grows into a bloated red giant star some 5 billion years from now. Brown Dwarfs Being Gobbled Up by Parent Stars 2012-06-14T18:19:02Z In studying supernovas - the exploded remains of giant stars - scientists will be looking for telltale chemical fingerprints of radioactive titanium. Telescope to hunt black holes reaches orbit 2012-06-14T03:06:50Z The photo — actually a mosaic assembled from 30 separate images — captures an enormous swath of space that's home to the biggest population of giant stars ever found. Hubble's Anniversary Image Reveals Stars' Birthplace 2012-04-20T11:00:00Z From the range of luminosity of the giant stars, then, we may infer their range of masses: they come out much alike, agreeing well with results obtained by double-star investigation. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z "The highly elongated orbit of the massive planet we discovered around this lithium-polluted red giant star is exactly the kind of evidence that would point to the star's recent destruction of its now-missing planet." Star is caught devouring planet 2012-08-21T15:55:38Z From more than a year's worth of Kepler data, Beck and his colleagues report online today in Nature that the cores of all three giant stars spin at least 10 times faster than their surfaces. Giant Stars Bare Their Whirling Hearts 2011-12-07T18:01:00Z Its constitution, as revealed by the spectroscope, resembles that of our sun, but the sun would make but a sorry figure if removed to the side of this giant star. Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments 2011-07-17T02:00:30.177Z These bursts are usually associated with extremely violent processes, such as the end-of-life collapse of giant stars. Cosmic distance record 'broken' 2011-05-25T17:36:53Z In addition to these problems, the stellar spectrograms will provide rich material for study of the relationship between stellar mass and speed, and the nature of giant stars and dwarf stars. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z These giant stars swell and shrink periodically, causing them to brighten and dim regularly. Objects in the Telescope May Be Closer Than They Appear 2011-01-12T22:55:34Z The clouds thinned, broke apart, and the giant star looked down upon the land with its cold, blue light. Space Prison My foe bent low on the river's bank And deep of the kindly flood he drank While the giant stars broke forth. Songs of the Cattle Trail and Cow Camp He took a last long look at the two giant stars, and then closed his eyes. On the Trail of the Space Pirates Opacity being constant, the total radiation of a giant star depends on its mass only, and is quite independent of its temperature or state of diffuseness. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z There were a number of things about the ship that needed readjustment and replacement after the strain of escaping from the giant star. Islands of Space But the question as to how the red giant stars were formed has received less satisfactory and precise answers. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told Soon the giant star of which it was a planet loomed enormous. Invaders from the Infinite This actual measure of the diameter of Betelgeuse supplies a new and striking test of Russell's and Hertzsprung's theory of dwarf and giant stars. The New Heavens As Russell originally pointed out, giant stars of every spectral type have nearly the same luminosity. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z This red giant star," he read, "was studied in the usual fashion. Star Surgeon "Now, until we have acquired a certain amount of ability" —examining the books more closely—"our best chance will lie in the neighborhood of a giant star known to us as Capella." The Devolutionist and the Emancipatrix "Smaller stars have to manufacture the radiant heat which they emit, living from hand to mouth; the giant stars merely leak radiant heat from their store." Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z All the evidence confirms the existence of dwarf and giant stars, but much work must be done before the entire course of stellar evolution can be explained. The New Heavens The giant stars are especially prodigal, and radiate at least a hundredfold faster than the sun. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z In hot bodies with which we are familiar, the second form is quite insignificant; but in the giant stars, the two forms are present in about equal proportions. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Now comes the work of Michelson and Pease to cap the climax, giving us the actual diameter of a typical giant star, in close agreement with predictions based upon theory. The New Heavens Unfortunately, only a few giant stars are certain to fall within the range of our present instrument. The New Heavens |
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