英语词汇“red giant”造句的方法、技巧、例句及翻译-英语例句辞典

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

When the Sun, ruddy and bloated, becomes a red giant, it will envelop and devour the planets Mercury and Venus—and probably the Earth as well. Cosmos 1980-01-01T00:00:00Z

We now know that Cepheids throb as they do because they are elderly stars that have moved past their "main sequence phase," in the parlance of astronomers, and become red giants. A Short History of Nearly Everything 2003-05-06T00:00:00Z

There should therefore be, as there are, many cases of binary stars, one component a red giant, the other a white dwarf. Cosmos 1980-01-01T00:00:00Z

A star like the Sun will end its days, as we have seen, as a red giant and then a white dwarf. Cosmos 1980-01-01T00:00:00Z

As the core of a massive red giant collapses to form such a neutron star, it spins faster. Cosmos 1980-01-01T00:00:00Z

The fate of the inner solar system as the Sun becomes a red giant is grim enough. Cosmos 1980-01-01T00:00:00Z

But a more massive star will spend its nuclear fuel faster, become a red giant sooner, and be first to enter the final white dwarf decline. Cosmos 1980-01-01T00:00:00Z

"In a couple of billion years, our Sun will expand to become a type of star called a red giant and will envelop Earth in superhot plasma," says Zarnecki. Welcome to a new Eden ? two billion miles from Earth 2010-05-08T23:06:00Z

In “The Wandering Earth,” scientists discover that the sun is about to swell into a red giant. Liu Cixin Is China’s Answer to Arthur C. Clarke 2015-03-06T05:00:00Z

“In about five billion years, the Sun will swell to its red giant phase, engulf the orbit of Mercury and perhaps Venus, and leave the Earth a charred, lifeless, magma-covered rock.” 13 Books to Watch For in August 2020-07-30T04:00:00Z

By the time I get to the marina I am a ball of rage, some kind of dying earthbound sun, a red giant on her way out. 'I lie to my health visitor. I lie to myself': the truth about postnatal depression 2019-06-08T04:00:00Z

“The Wandering Earth,” shown in 3-D, takes place in a distant future in which the sun is about to expand into a red giant and devour the Earth. China’s Film Industry Finally Joins the Space Race 2019-02-04T05:00:00Z

This might well stand as its peak – its red giant moment, a sign that it's operating at full stretch and will soon collapse in on itself, exhausted. Where does Come Dine With Me go after its Coronation Street special? 2010-12-07T12:16:00Z

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

Veblen’s mother, Melanie, is a red giant of a narcissist, expanding even as she fades, and her hypochondria is on another cosmic scale entirely. Review: Facing Marriage and Befriending a Squirrel in ‘The Portable Veblen’ 2016-01-27T05:00:00Z

When the sun runs out of hydrogen to fuse, it will start to die, swelling into a red giant before finally fading away. See JWST’s Spectacular New View of the Crab Nebula 2023-11-10T05:00:00Z

It’s a red giant, a star that was once much like the sun but is starting to bloat and die, having run out of hydrogen fuel in its core. The Sky Is Full of Stars—and Exoplanets, Too 2023-10-06T04:00:00Z

And stars of middling mass, like our own, expand into a red giant, engulfing or scorching their planets and then dissipating to become a slow-cooling stellar ember called a white dwarf. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z

The Helium in the core now begins to fuse, turning into Carbon, and the star eventually grows into a red giant. Watch out, Earth! A Dying Star Just Ate A Planet 2023-05-26T04:00:00Z

Astronomers find it extremely challenging to study the final stages of red giants because they occur within a brief period of time. A Rare Cosmic Magic Jug 2023-08-03T04:00:00Z

When that happens, it will become a red giant and will expand significantly, consuming Mercury, Venus and possibly Earth. 8 Ursae Minoris b: Scientists unlock mystery of planet that escaped death 2023-06-28T04:00:00Z

At 34 light-years from us, it’s closer to Earth than Aldebaran is, and it’s also a red giant. The Sky Is Full of Stars—and Exoplanets, Too 2023-10-06T04:00:00Z

When our sun eventually enters its red giant phase, its radius will likely extend well beyond Earth’s present-day orbit. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z

In about 5 billion years, our Sun will become a red giant! Watch out, Earth! A Dying Star Just Ate A Planet 2023-05-26T04:00:00Z

In theory, researchers think that this structure is a result of the clash between the red giant and a companion binary star. A Rare Cosmic Magic Jug 2023-08-03T04:00:00Z

One was a red giant, which burns hydrogen until it heats up so much that its helium core ignites and it starts to shrink. 8 Ursae Minoris b: Scientists unlock mystery of planet that escaped death 2023-06-28T04:00:00Z

As stars like the sun reach the end of their lives, they transition into red giants that exponentially puff up in size, incinerating any worlds that fall within their advancing boundaries. The ‘Forbidden Planet’ That Escaped a Fiery Doom 2023-06-28T04:00:00Z

In fact, astronomers believed the fate of any planet orbiting a star within its red giant radius was likely sealed. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z

Limbach’s proposals are focused on white dwarfs, the remnant Earth-sized cores left behind after stars such as our sun swell into red giants and expel their outer layers. JWST Will Hunt for Dead Solar Systems—and Much More—in Its Second Year of Science 2023-05-18T04:00:00Z

And yet, HR3126 is five times more massive, allowing the star to burn hydrogen quicker and become a red giant faster than the Sun. A Rare Cosmic Magic Jug 2023-08-03T04:00:00Z

The researchers believe that the helium core in the red giant was ignited when it swallowed its companion star, putting a premature stop to its vigorous expansion. 8 Ursae Minoris b: Scientists unlock mystery of planet that escaped death 2023-06-28T04:00:00Z

By the time most red giants dip into their helium supply, they have already ballooned in size by orders of magnitude. The ‘Forbidden Planet’ That Escaped a Fiery Doom 2023-06-28T04:00:00Z

But standard modeling of 8 UMi’s red giant phase suggested that the star’s puffy, hot stellar atmosphere should have expanded about 30 million km farther out than that at its swollen peak. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z

Earth is expected to meet a similar fate when the sun becomes a red giant in about 5 billion years. Astronomers Just Saw a Star Eat a Planet for the First Time 2023-05-03T04:00:00Z

Astrophysicists have long known that when a Sun-like star runs out of fuel, it becomes a red giant, big enough to engulf any close-orbiting planets. A dying star consumes a planet, foreshadowing Earth’s fate 2023-05-03T04:00:00Z

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

Yarza and his colleagues modeled how planets of various masses would interact with the outer layers of dying stars known as red giants. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

But when it swells into a red giant and begins shedding its outer layers of gas, the resulting shifts in planetary orbits can spark new rounds of world-ejecting instabilities. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z

During this "red giant" phase, these stars may billow out anywhere from 100 to 1,000 times their original diameter, swallowing closely orbiting planets. Astronomers Just Saw a Star Eat a Planet for the First Time 2023-05-03T04:00:00Z

Remember that red giants start out with a helium core where no energy generation is taking place, surrounded by a shell where hydrogen is undergoing fusion. Astronomy 2016-10-13T00:00:00Z

During this “red giant” phase, many stars devour their innermost planets before exhausting their remaining fuel. The Juicy Secrets of Stars That Eat Their Planets 2022-08-19T04:00:00Z

Although bulky planets are more likely to survive, whether any particular world succumbs or endures comes down to how exactly it interacts with the red giant once it has been engulfed. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

The result is a unique, 2,000-year time line of the star’s evolution that tracks its progression from a yellow hydrogen-burning star somewhat similar to our sun to the red giant we know today. Ancient Stargazers Saw Betelgeuse Shine a Different Color 2022-08-18T04:00:00Z

Novas are stellar explosions that can happen when a red giant pours fuel onto a companion white dwarf star. Astronomers Just Saw a Star Eat a Planet for the First Time 2023-05-03T04:00:00Z

The faint blue concentric shells surrounding the central region identify the mass that was shed slowly from the surface of the star when it became a red giant. Astronomy 2016-10-13T00:00:00Z

The human species will become extinct by a cosmic event: our sun enlarging to a red giant, the Milky Way and Andromeda galaxies colliding, the universe dying through the increasing disorder of entropy, or otherwise. Opinion | The James Webb Space Telescope unveils as many questions as stars 2022-08-12T04:00:00Z

If that entry occurs too early in the red giant transition, the star’s atmospheric layers will be dense, making them far more resistant to being tossed away. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

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

All of this will happen before the Sun even becomes a red giant. Astronomy 2016-10-13T00:00:00Z

Many are aging “red giants” near the end of their lives, with well-documented properties that help astronomers estimate their true luminosity and distance to them. Take a cosmic tour inside the images captured by NASA’s Webb telescope

All else being equal, a planet entering a star later in the red giant phase is more likely to survive because it can more easily peel away the star’s tenuous outer layers. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

The researchers also dug up ancient records for 235 other stars, including another red giant that looks much like Betelgeuse today—the southern-sky star Antares. Ancient Stargazers Saw Betelgeuse Shine a Different Color 2022-08-18T04:00:00Z

Dr. Kroto realized that this apparatus could create conditions similar to those in the atmosphere of a red giant. Robert F. Curl Jr., Nobel Prize Winner in Chemistry, Dies at 88 2022-07-20T04:00:00Z

Also, when more massive stars become red giants, they become so bright and large that we call them supergiants. Astronomy 2016-10-13T00:00:00Z

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

Roughly 1 percent of observed red giants are anomalously rich in lithium, Yarza says. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

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

Our sun will be a red giant by the time we merge with Andromeda, engulfing Mercury and Venus and then Earth as it grows to a diameter as large as Earth’s current orbit. The Milky Way Is Destined to Collide with Andromeda, and We Know What It Will Look Like 2021-11-16T05:00:00Z

What will happen when our Sun becomes a red giant. Astronomy 2016-10-13T00:00:00Z

Using the Hubble Space Telescope to observe these red giants, Freedman’s team arrived at an estimate for the Hubble constant in 2019: roughly 70. The James Webb Space Telescope Could Solve One of Cosmology’s Deepest Mysteries 2022-01-25T05:00:00Z

Plumes of stellar material welling up from beneath can carry lithium-rich pieces of the destroyed world back to the red giant’s exterior, making them detectable. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

After that happens, it will expand into a red giant and engulf many of the inner planets, and perhaps mess up the orbits of outer ones. Astronomers observe a distant solar system that looks a lot like ours will after the sun explodes 2021-10-20T04:00:00Z

"The streaming wars, as they currently stand, are not a battle to unseat Netflix within viewers' homes, but rather to earn a place alongside the red giant," MoffettNathanson analysts said in a research note. Megahit "Squid Game" puts focus squarely on Netflix's overseas growth 2021-10-19T04:00:00Z

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

Dying stars spew out harmful radiation as they grow into a phase called red giants and introduce turbulence in their systems that could obliterate life. Astronomers found a planet that survived its star’s death 2021-10-18T04:00:00Z

Sooner or later, it seems, telescopes will clearly reveal some red giants’ unexpected flarings—and with them, the grisly fates of swallowed worlds. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z

"Given that this system is an analog to our own solar system, it suggests that Jupiter and Saturn might survive the Sun's red giant phase, when it runs out of nuclear fuel and self-destructs." Astronomers observe a distant solar system that looks a lot like ours will after the sun explodes 2021-10-20T04:00:00Z

As darkness settled in, a small crowd of visitors gathered around and Mr. Bohley lifted his eyes upward, guiding them to planets and galaxies, white dwarfs and red giants. Where Dark Skies Draw Star-Gazers, Wildfire Smoke Spoils the View 2021-08-13T04:00:00Z

The white dwarf then begins to attract material from its companion, which in turn evolves to become a red giant. Astronomy 2016-10-13T00:00:00Z

“If humanity is somehow still around in 5 billion years, we would probably have a better chance of surviving the sun’s red giant phase on a moon of Jupiter than on Earth,” Blackman said. Astronomers found a planet that survived its star’s death 2021-10-18T04:00:00Z

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

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

Betelgeuse, a restive red giant likely to blow up sometime in the next 100,000 years, has settled down in recent months, and in any case, it lies more than 500 light-years away. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z

Wouldn’t it be nice if every elliptical galaxy evolved into a spiral, for example, just as every main-sequence star evolves into a red giant? Astronomy 2016-10-13T00:00:00Z

A luminous star called a red giant orbits with the black hole in a so-called binary star system named V723 Mon. A black hole dubbed 'the Unicorn' may be galaxy's smallest one 2021-04-22T04:00:00Z

For example, our own sun will destroy Mercury, Venus and perhaps Earth when it becomes a red giant, about 5 billion years from now. Scientists Spot Giant Planet Orbiting Dead Star’s Corpse 2020-09-17T04:00:00Z

After a supernova disperses enough to be transparent, astronomers routinely search for a surviving red giant companion but have never found one. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z

At that point, the sun will expand, transform into a red giant, growing hundreds of times larger and engulfing nearby planets, like Mercury, Venus and perhaps Earth. A dissolving exoplanet prophesies our solar system's final days 2019-12-08T05:00:00Z

But eventually, each new generation of stars will evolve to become red giants, with stellar winds of their own. Astronomy 2016-10-13T00:00:00Z

The space telescope snapped the picture of the star, known as NGC 2022, a so-called "red giant," showing the ancient star expanding to a size larger than our sun. 'Jellyfish' star found in deep space 2019-08-19T04:00:00Z

Most notably, thanks to their location in a galaxy’s uncrowded outskirts, red giants are less prone to the contaminating effects of interstellar dust and other nearby stars than Cepheids. Hubble Tension Headache: Clashing Measurements Make the Universe's Expansion a Lingering Mystery 2019-07-29T04:00:00Z

Astronomers would expect some hydrogen from the red giant to be swept along with the other explosion debris, creating an absorption line in the spectrum of the supernova’s light as the remnant cools. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z

Instead, her team looked toward old, swollen stars called red giants. Debate intensifies over speed of expanding universe 2019-07-19T04:00:00Z

Over time, massive stars become red supergiants, and lower-mass stars like the Sun become red giants. Astronomy 2016-10-13T00:00:00Z

The result is statistically compatible with the Planck prediction and with Riess’s Cepheid calculation — meaning the error bars of the calculations overlap — and the technique’s precision will improve as data on red giants accumulates. How fast is the Universe expanding? Cosmologists just got more confused 2019-07-15T04:00:00Z

But before a star becomes a white dwarf, it first goes through a red giant phase in which it balloons in size, swelling to scorch or even swallow any close-in planets. Future Gravitational Wave Detectors Could Find Exoplanets, Too 2019-07-08T04:00:00Z

He says the classic scenario of a white dwarf paired with a large star such as a red giant “doesn’t happen in nature, or quite rarely.” The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z

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

Just how different are these red giants and supergiants from a main-sequence star? Astronomy 2016-10-13T00:00:00Z

In the process of dying, however, these stars first puff up into so-called red giants, enveloping and destroying their inner planets. Apocalypse Next? Astronomers Find a Chunk of Planet Around a Distant, Dead Star 2019-04-04T04:00:00Z

It is thought that when the sun swells into a red giant, it will consume Mercury, Venus, and Earth. Astronomers spy an iron planet stripped of its crust around a burned-out star 2019-04-04T04:00:00Z

If they all originate from a white dwarf and a red giant, the galaxy would have to host some 10,000 of these pairs—and there’s little evidence of them. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z

If our world exists at all in that far future, it will be a cinder: Long before the galaxies collide, the dying Sun will billow into a red giant and roast it. Andromeda Is Coming for Our Milky Way Galaxy, Eventually 2019-02-08T05:00:00Z

It will be billions of years before the Sun begins its own “climb” away from the main sequence—the expansion of its outer layers that will make it a red giant. Astronomy 2016-10-13T00:00:00Z

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

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

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

“Afterward it becomes a red giant and is much less pleasant,” said Dr. Heck. The Young Sun’s Outbursts Were Trapped in Blue Crystals From Outer Space 2018-07-30T04:00:00Z

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 this happens, nuclear reactions will start up outside the core, causing the sun to swell into a red giant that eventually engulfs Mercury and Venus. Sun 'will flare into massive planetary nebula when it dies' 2018-05-07T04:00:00Z

A database of Cepheid distance moduli and tip of the red giant branch, globular cluster luminosity function, planetary nebula luminosity function, and surface brightness fluctuation data useful for distance determinations. A single population of red globular clusters around the massive compact galaxy NGC 1277 2018-03-11T05:00:00Z

VLT/FLAMES spectroscopy of red giant branch stars in the Fornax dwarf spheroidal galaxy. Two chemically similar stellar overdensities on opposite sides of the plane of the Galactic disk 2018-02-25T05:00:00Z

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

The more massive star evolves first to become a red giant and then a white dwarf. Astronomy 2016-10-13T00:00:00Z

After forming a red giant, the sun will lose about half of its mass as the outer layers are blown off at about 20km per second. Sun 'will flare into massive planetary nebula when it dies' 2018-05-07T04:00:00Z

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

There are exceptions—old stars such as red giants and white dwarfs—but these are easily recognised. Planets come in different species 2017-06-22T04:00:00Z

Earth will continue till the sun becomes a red giant and engulfs it and there is nothing we can do about that. Opinion | The Planet Can’t Stand This Presidency 2017-04-21T04:00:00Z

Note that the brightest stars in this cluster, which are red giants that have already completed the main-sequence phase of their evolution, are red-orange in color. Astronomy 2016-10-13T00:00:00Z

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

His starting point was a red giant with a companion star. Dying gasps of paired stars sculpt galaxy’s colorful gas clouds 2016-09-16T04:00:00Z

The 65-light-year-distant red giant Aldebaran will be eclipsed by the moon for observers from southern New Mexico to northern Maine, according to Astronomy.com. This Week’s Night Sky: See Shooting Stars and a Cosmic Crab

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

One massive star has evolved to become a red giant and stands out as an especially bright orange member of the cluster. Astronomy 2016-10-13T00:00:00Z

Orange-hued Arcturus is a red giant and is the lead star in the kite-shaped northern constellation Boötes, the herdsman. This Week’s Night Sky: See Mars and Jupiter Compete 2016-05-23T04:00:00Z

When the giant sheds its envelope, it engulfs its partner, which spirals inward until it closely orbits the red giant core, gathering mass to itself in a disk in the same plane of the orbit. Dying gasps of paired stars sculpt galaxy’s colorful gas clouds 2016-09-16T04:00:00Z

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

Aldebaran is a dying red giant star about 66 light-years from Earth. This Week’s Night Sky: See Mercury Take Flight

As described in this chapter, the Sun will lose some of its mass as it becomes a red giant. Astronomy 2016-10-13T00:00:00Z

The moon will appear only three degrees from the 68-light-year-distant red giant—equal to the width of your three middle fingers at arm’s length. This Week’s Night Sky: Hunt for Jupiter’s Great Red Spot

Of course, while the cosmic duo will appear close in our Earthly skies, the moon is some 1.27 light-seconds away, while the red giant lies 66 light-years from Earth. This Week’s Night Sky: Bull’s Eye Winks Out

Not understanding the physics of this mysterious star, Harper says, means that researchers will struggle to understand the other red giants in the Universe. Death throes of giant star puzzle researchers 2016-01-07T05:00:00Z

All the stars in the map are red giants - a very good place to start, Dr Ness explained, when peering across half a galaxy. Largest ever 'age map' traces galactic history - BBC News 2016-01-08T05:00:00Z

We have already seen that carbon and some oxygen are manufactured inside the lower-mass stars that become red giants. Astronomy 2016-10-13T00:00:00Z

Of course, by then Earth will be burnt to a crisp following the sun's expansion into a red giant, if not engulfed altogether. Dying Star Destroys a Dwarf Planet 2015-10-22T04:00:00Z

After a regular star uses up all its nuclear fuel, it turns into a red giant, expanding outward to 100 times its original size. Zombie white dwarf star caught destroying an orbiting planet 2015-10-21T04:00:00Z

Betelgeuse is a red giant near the end of its life, much as the Sun will be billions of years from now. Death throes of giant star puzzle researchers 2016-01-07T05:00:00Z

Billions of years from now, our sun will expand into a red giant, engulfing and incinerating Mercury and possibly Venus and Earth. Dying sun caught tearing apart its own asteroids 2015-10-21T04:00:00Z

Eventually, as stars age, they evolve away from the main sequence to become red giants or supergiants. Astronomy 2016-10-13T00:00:00Z

Stellar mystery As a star grows old, it balloons outward into a huge red giant, swallowing anything orbiting too close to it. Dying Star Destroys a Dwarf Planet 2015-10-22T04:00:00Z

Eventually, a red giant will start to contract and shed its outer layers, growing much smaller and more dense. Zombie white dwarf star caught destroying an orbiting planet 2015-10-21T04:00:00Z

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

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

The core of a red giant is contracting, but the outer layers are expanding as a result of hydrogen fusion in a shell outside the core. Astronomy 2016-10-13T00:00:00Z

After exiting the solar system, New Horizons will wander the galaxy interminably, a relic that will outlive Earth, when the sun goes red giant and swallows it up. Feature: How Alan Stern’s tenacity, drive, and command got a NASA spacecraft to Pluto 2015-06-25T04:00:00Z

Once the orbit of these two stars began to tighten, helium from the red giant was transferred to the white dwarf, according to a study published in Science. 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

Both stars are red giants, aging suns that shine so brightly observers can see them from afar. Far Out: The Most Distant Star in the Milky Way 2014-08-11T04:00:00Z

Fusion of hydrogen and helium in shells around the contracting core makes the star a bright red giant again, but only temporarily. Astronomy 2016-10-13T00:00:00Z

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

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

Things will become rather uncomfortable in about 6 billion years, when the sun swells to become a red giant, boiling the oceans away and possibly even swallowing Earth. This is the way the world ends: How the cosmos will meet its demise 2014-03-09T13:00:00Z

The finding erodes a long-standing view that type Ia supernovae arise from a single white dwarf accruing material from an ordinary companion star, either a Sun-like star or an elderly, bloated red giant. Kepler clue to supernova puzzle 2014-01-15T18:20:59.210Z

When the star is a red giant, it can shed its outer layers and thereby expose hot inner layers. Astronomy 2016-10-13T00:00:00Z

They eventually expand so much the star becomes a red giant. 7 questions on GCSE science 2013-08-21T00:52:28Z

In just a few billion years from now, it will use up all of its hydrogen fuel and will swell to become a red giant. 'Dirty' stars hint at Sun's future 2013-05-09T22:25:05Z

Krypton orbited a star that was a red giant, which is cooler than our own sun, and puts out less ultraviolet light. How To Get Superpowers 2012-12-13T16:11:46Z

Our planet will be incinerated in about 5 billion years when our Sun, in its own death throes, becomes a red giant. Letters: Cycle of Birth and Death (1 Letter) 2012-11-26T23:01:30Z

Stars above and to the right of the main sequence could be either red giants that had evolved away from the main sequence or very young stars that are still evolving toward the main sequence. Astronomy 2016-10-13T00:00:00Z

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

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

The most massive of them also quickly die in supernova explosions; others end their lives by expanding into red giants and shedding their outer layers. Galaxy formation: The new Milky Way 2012-10-03T18:21:29.637Z

Becoming a red giant is not a death sentence. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z

The solid black lines show the predicted evolution from the main sequence through the red giant or supergiant stage on the H–R diagram. Astronomy 2016-10-13T00:00:00Z

More common are are smaller, garden variety white dwarf explosions — novas without the super prefix — sometimes occurring repeatedly as a single white dwarf vacuums up and blasts away red giant material over and over again. The Great, Exploding Monty Python Star 2012-08-24T16:35:33Z

The spiral is thought to be created from the gases being expelled by the dying red giant called R Sculptoris. Strange Star Spiral Offers Clues to Sun's Fate 2012-10-11T15:15:01.053Z

As this red giant swelled with age, this matter poured on its white dwarf companion, occasionally triggering explosions known as novas. Red Giants and White Dwarfs Make Explosive Stellar Pairings 2012-08-23T21:15:00.213Z

To revitalize a red giant is to place some big bets on existing and nascent markets in which your organization’s perspective will enable considerable disruption. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z

The brightest stars are red giants that have begun to exhaust their hydrogen fuel and have expanded to about 100 times the diameter of our Sun. Astronomy 2016-10-13T00:00:00Z

Its an aging red giant – 11 times larger than our own Sun but not that much more massive. Astronomers Discover A Star That May Have Destroyed Its Own Planet 2012-08-22T04:22:29Z

That information should reveal the mass and orbits of R Sculptoris and its companion star, providing more exact information about what happens to red giants during and after their thermal pulses. Strange Star Spiral Offers Clues to Sun's Fate 2012-10-11T15:15:01.053Z

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

Leaders of technology red giants are trying to fight this exact tendency toward collapse to a burned-out core. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z

Note the gap that appears in this H–R diagram between the stars near the main sequence and the red giants. Astronomy 2016-10-13T00:00:00Z

Rising temperatures near the cores of red giants cause these elderly stars to expand in size, a process which will cause any nearby planets to be destroyed. Star is caught devouring planet 2012-08-21T15:55:38Z

"It's unclear whether or not the Earth will survive this red giant phase," says Guillot, "but our theoretical models may help to shed more light on that." Brown Dwarfs Being Gobbled Up by Parent Stars 2012-06-14T18:19:02Z

Halo stars die by becoming red giants and then white dwarfs—dense stars little larger than Earth. The Milky Way's Oldest and Wisest Stars 2012-05-30T18:10:00Z

Nope. in the early 1990s and a decade later perfectly show how to turn a bloated red giant into an innovation leader. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z

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

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

The worlds now orbiting the former red giant would be the surviving, Earth-size chunks. Ballooning Star Split Planet in Two 2012-04-16T22:15:06.593Z

On the other hand, if Polaris pulses the way Neilson's team describes it, then the North Star would be past the red giant stage and now burning helium in its core. North Star May Be Wasting Away 2012-01-27T18:02:20Z

Describe the evolution of a star with a mass similar to that of the Sun, from the protostar stage to the time it first becomes a red giant. Astronomy 2016-10-13T00:00:00Z

"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

One possibility is stars literally pushing the planets into interstellar space after the suns reach the end of their normal hydrogen-burning lives and begin expanding into red giants. ScienceShot: Why So Many Homeless Planets? 2012-01-17T17:50:46Z

The sun will swell up into a red giant, engulfing us and the other inner planets. Ballooning Star Split Planet in Two 2012-04-16T22:15:06.593Z

The core of the star collapses as the outer region expands and cools, creating a type of star known as a red giant. Red Giant Core Spins Ten Times Faster Than Its Surface 2012-01-11T18:15:00.253Z

Stars that have masses approximately 0.8 times the mass of the Sun take about 18 billion years to turn into red giants. Astronomy 2016-10-13T00:00:00Z

Knowing the difference would help them to determine the red giants' ages, how quickly they evolve and the amount of gas and heavy elements that they shed into interstellar space during each phase. Kepler?s surprise: The sounds of the stars 2012-01-04T18:20:15.193Z

Indeed life on Earth, and any atmosphere, will be long gone even before the sun swells into a red giant. Earth Could Survive Sun's Red Giant Phase 2012-01-04T13:17:52Z

Such observations show that the surfaces of most yellow, orange, and red giants rotate slowly—but the observations say nothing about what's happening beneath the surface. Giant Stars Bare Their Whirling Hearts 2011-12-07T18:01:00Z

Even though this would help Earth to survive the sun's red giant phase, its ultimate fate is probably sealed. Earth's Ultimate Destruction—And Possible Reincarnation 2011-09-16T22:00:33Z

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

That was impossible until Kepler: from the outside, a red giant looks the same regardless of what it is burning. Kepler?s surprise: The sounds of the stars 2012-01-04T18:20:15.193Z

First of all, the easiest stars to date directly are the most massive ones, like red giants, which change in both color and size as they get older. Why Older Planets Are More Likely to Harbor Life 2011-06-01T10:00:00Z

The bigger a star is, the more rapidly it burns up its fuel, and the quicker it becomes a bloated red giant. Stellar evolution: Slowing down in old age 2011-05-26T10:46:21Z

But stars like our sun swell into bloated red giants when the nuclear fuel in their cores is depleted. Earth's Ultimate Destruction—And Possible Reincarnation 2011-09-16T22:00:33Z

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

In about 5 billion years' time, for example, the Sun will become a red giant big enough devour the innermost planets of the Solar System. Kepler?s surprise: The sounds of the stars 2012-01-04T18:20:15.193Z

In 500 million years the gradually warming sun may boil the oceans, and a few billion years later the sun will evolve into a red giant, incinerating or engulfing the Earth. Why we should embrace the end of human spaceflight 2011-04-12T11:01:00Z

From Kepler's viewpoint, the two smaller binary stars pass in front of one another as they orbit each other, and they in turn pass in front of the red giant. Strangely silent star system seen 2011-04-08T17:13:58Z

"This discovery is particularly intriguing when we consider the distant future of our own planetary system, as the Sun is also expected to become a red giant in about 5 billion years," Setiawan said. Cosmic "cannibalism" brings new planet to Milky Way 2010-11-18T19:13:00Z

A white dwarf, with its stronger surface gravity, produces more distortion just above its surface than does a red giant with the same mass. Astronomy 2016-10-13T00:00:00Z

Stars smaller than eight solar masses simply expand into red giants and then dwindle away into white dwarfs. Black holes: Win some, lose some 2010-09-16T11:19:00Z

There was the fleck of white high up near the top of the red giant, its white-dwarf companion in transit. Earthsmith

He looked like some shaggy red giant, wearing only a loin-cloth with his hair and beard all awry. The Golden Amazons of Venus

But they say she wanted to marry him; she loved the red giant. The Scarlet Banner

Given the destructive power of impacting asteroids, expanding red giants, and nearby supernovae, our species may not be around in the remote future. Astronomy 2016-10-13T00:00:00Z

Could even match the red giant at sailorly work with ropes and wires. Fire Mountain A Thrilling Sea Story

Back again to the hay, still building new victories, and nobler ones, on the foundation of this triumph over Swan Carlson, the red giant who choked men to death in the snow. The Flockmaster of Poison Creek

"Now," I said, "what of the red giant?" The O'Ruddy A Romance

The red giant was a medicine man, for he clashed and rattled an enormous gourd full of bowlders. Out of the Depths A Romance of Reclamation

The bulge and the fainter bar both appear yellowish because the brightest stars in them are mostly old yellow and red giants. Astronomy 2016-10-13T00:00:00Z

But the room was dark, and the red giant was sleeping noisily. Fire Mountain A Thrilling Sea Story

The arrow buried itself deep in the red giant’s muzzle. In the Morning of Time

The red giant had the advantage in height, if not in weight; the black giant in strength of muscle, if not in suppleness of limbs. Burl

It's a red giant, and it's an irregular variable. The Ultimate Weapon

Three swords to one was awkward odds; and the red giant, with a companion nearly as large as himself, would no doubt prove very different antagonists from the poltroon with whom I was engaged. The War Trail The Hunt of the Wild Horse

On their ancient star charts it was listed as a red giant, named Tongsil-239-e, which meant it was of the fifth magnitude and very distant. The Black Star Passes

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

The black giant was nearer the goal, but the red giant had longer and nimbler legs, which made it again about nip and tuck between the black and the red. Burl

He picked out several blue-white and red giants he was sure he knew. Man of Many Minds

I saw the red giant before me with his hand raised on high. The War Trail The Hunt of the Wild Horse

Nevertheless, he brought the car to anchor without a second's hesitation, drawing up alongside the humiliated red giant. My Friend the Chauffeur

It was indeed a red giant; long tenuous plumes of gas spread out for hundreds of millions of miles on all sides of its glowing red core. Star Surgeon

Stranger," said the collier, "these things may seem strange to you, but when we came here our lives were haunted by the red giant that has gone out into the wood. Little Sky-High The Surprising Doings of Washee-Washee-Wang

He took up our life just as though he had left it the day before yesterday—just the same sun-glazed hairy red giant, noisy, laughter-loving and voracious. Jaffery

"Norman of Torn dares ride where he will in all England," boasted the red giant. The Outlaw of Torn

A red giant genie broke his vessel with its Solomon's seal, freed himself, and stood on the edge of the town; he laughed soundlessly yet repugnantly. The Created Legend

This red giant star," he read, "was studied in the usual fashion. Star Surgeon

The red giant reeled through the door and down the stairs and out into the night. Little Sky-High The Surprising Doings of Washee-Washee-Wang

But the red giant, seeing his brother fall, smote at Le Beau Disconus with the half-roasted boar, like a madman; and he laid on so sore that Le Beau Disconus's horse was slain. The Junior Classics — Volume 4

Roger de Conde spoke no English, and yet she had plainly heard English words upon this man's lips as he addressed the red giant. The Outlaw of Torn

Of course his courage and dexterity, with that of the red giant, Martin, have told against myself, have, in short, lost me a trick in the game. Lysbeth, a Tale of the Dutch

Beside him on the march rode the fierce red giant, Shandy, and the wiry, gray little man of Torn, whom the outlaw called father. The Outlaw of Torn

The black giant held in his arms a maiden as bright as a flower, while the red giant was burning a wild boar on a spit before the flaming fire. The Junior Classics — Volume 4

单词	red giant
例句	red giant 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 When the Sun, ruddy and bloated, becomes a red giant, it will envelop and devour the planets Mercury and Venus—and probably the Earth as well. Cosmos 1980-01-01T00:00:00Z We now know that Cepheids throb as they do because they are elderly stars that have moved past their "main sequence phase," in the parlance of astronomers, and become red giants. A Short History of Nearly Everything 2003-05-06T00:00:00Z There should therefore be, as there are, many cases of binary stars, one component a red giant, the other a white dwarf. Cosmos 1980-01-01T00:00:00Z A star like the Sun will end its days, as we have seen, as a red giant and then a white dwarf. Cosmos 1980-01-01T00:00:00Z As the core of a massive red giant collapses to form such a neutron star, it spins faster. Cosmos 1980-01-01T00:00:00Z The fate of the inner solar system as the Sun becomes a red giant is grim enough. Cosmos 1980-01-01T00:00:00Z But a more massive star will spend its nuclear fuel faster, become a red giant sooner, and be first to enter the final white dwarf decline. Cosmos 1980-01-01T00:00:00Z "In a couple of billion years, our Sun will expand to become a type of star called a red giant and will envelop Earth in superhot plasma," says Zarnecki. Welcome to a new Eden ? two billion miles from Earth 2010-05-08T23:06:00Z In “The Wandering Earth,” scientists discover that the sun is about to swell into a red giant. Liu Cixin Is China’s Answer to Arthur C. Clarke 2015-03-06T05:00:00Z “In about five billion years, the Sun will swell to its red giant phase, engulf the orbit of Mercury and perhaps Venus, and leave the Earth a charred, lifeless, magma-covered rock.” 13 Books to Watch For in August 2020-07-30T04:00:00Z By the time I get to the marina I am a ball of rage, some kind of dying earthbound sun, a red giant on her way out. 'I lie to my health visitor. I lie to myself': the truth about postnatal depression 2019-06-08T04:00:00Z “The Wandering Earth,” shown in 3-D, takes place in a distant future in which the sun is about to expand into a red giant and devour the Earth. China’s Film Industry Finally Joins the Space Race 2019-02-04T05:00:00Z This might well stand as its peak – its red giant moment, a sign that it's operating at full stretch and will soon collapse in on itself, exhausted. Where does Come Dine With Me go after its Coronation Street special? 2010-12-07T12:16:00Z 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 Veblen’s mother, Melanie, is a red giant of a narcissist, expanding even as she fades, and her hypochondria is on another cosmic scale entirely. Review: Facing Marriage and Befriending a Squirrel in ‘The Portable Veblen’ 2016-01-27T05:00:00Z When the sun runs out of hydrogen to fuse, it will start to die, swelling into a red giant before finally fading away. See JWST’s Spectacular New View of the Crab Nebula 2023-11-10T05:00:00Z It’s a red giant, a star that was once much like the sun but is starting to bloat and die, having run out of hydrogen fuel in its core. The Sky Is Full of Stars—and Exoplanets, Too 2023-10-06T04:00:00Z And stars of middling mass, like our own, expand into a red giant, engulfing or scorching their planets and then dissipating to become a slow-cooling stellar ember called a white dwarf. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z The Helium in the core now begins to fuse, turning into Carbon, and the star eventually grows into a red giant. Watch out, Earth! A Dying Star Just Ate A Planet 2023-05-26T04:00:00Z Astronomers find it extremely challenging to study the final stages of red giants because they occur within a brief period of time. A Rare Cosmic Magic Jug 2023-08-03T04:00:00Z When that happens, it will become a red giant and will expand significantly, consuming Mercury, Venus and possibly Earth. 8 Ursae Minoris b: Scientists unlock mystery of planet that escaped death 2023-06-28T04:00:00Z At 34 light-years from us, it’s closer to Earth than Aldebaran is, and it’s also a red giant. The Sky Is Full of Stars—and Exoplanets, Too 2023-10-06T04:00:00Z When our sun eventually enters its red giant phase, its radius will likely extend well beyond Earth’s present-day orbit. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z In about 5 billion years, our Sun will become a red giant! Watch out, Earth! A Dying Star Just Ate A Planet 2023-05-26T04:00:00Z In theory, researchers think that this structure is a result of the clash between the red giant and a companion binary star. A Rare Cosmic Magic Jug 2023-08-03T04:00:00Z One was a red giant, which burns hydrogen until it heats up so much that its helium core ignites and it starts to shrink. 8 Ursae Minoris b: Scientists unlock mystery of planet that escaped death 2023-06-28T04:00:00Z As stars like the sun reach the end of their lives, they transition into red giants that exponentially puff up in size, incinerating any worlds that fall within their advancing boundaries. The ‘Forbidden Planet’ That Escaped a Fiery Doom 2023-06-28T04:00:00Z In fact, astronomers believed the fate of any planet orbiting a star within its red giant radius was likely sealed. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z Limbach’s proposals are focused on white dwarfs, the remnant Earth-sized cores left behind after stars such as our sun swell into red giants and expel their outer layers. JWST Will Hunt for Dead Solar Systems—and Much More—in Its Second Year of Science 2023-05-18T04:00:00Z And yet, HR3126 is five times more massive, allowing the star to burn hydrogen quicker and become a red giant faster than the Sun. A Rare Cosmic Magic Jug 2023-08-03T04:00:00Z The researchers believe that the helium core in the red giant was ignited when it swallowed its companion star, putting a premature stop to its vigorous expansion. 8 Ursae Minoris b: Scientists unlock mystery of planet that escaped death 2023-06-28T04:00:00Z By the time most red giants dip into their helium supply, they have already ballooned in size by orders of magnitude. The ‘Forbidden Planet’ That Escaped a Fiery Doom 2023-06-28T04:00:00Z But standard modeling of 8 UMi’s red giant phase suggested that the star’s puffy, hot stellar atmosphere should have expanded about 30 million km farther out than that at its swollen peak. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z Earth is expected to meet a similar fate when the sun becomes a red giant in about 5 billion years. Astronomers Just Saw a Star Eat a Planet for the First Time 2023-05-03T04:00:00Z Astrophysicists have long known that when a Sun-like star runs out of fuel, it becomes a red giant, big enough to engulf any close-orbiting planets. A dying star consumes a planet, foreshadowing Earth’s fate 2023-05-03T04:00:00Z 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 Yarza and his colleagues modeled how planets of various masses would interact with the outer layers of dying stars known as red giants. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z But when it swells into a red giant and begins shedding its outer layers of gas, the resulting shifts in planetary orbits can spark new rounds of world-ejecting instabilities. Can Lucky Planets Get a Second Chance at Life? 2023-10-05T04:00:00Z During this "red giant" phase, these stars may billow out anywhere from 100 to 1,000 times their original diameter, swallowing closely orbiting planets. Astronomers Just Saw a Star Eat a Planet for the First Time 2023-05-03T04:00:00Z Remember that red giants start out with a helium core where no energy generation is taking place, surrounded by a shell where hydrogen is undergoing fusion. Astronomy 2016-10-13T00:00:00Z During this “red giant” phase, many stars devour their innermost planets before exhausting their remaining fuel. The Juicy Secrets of Stars That Eat Their Planets 2022-08-19T04:00:00Z Although bulky planets are more likely to survive, whether any particular world succumbs or endures comes down to how exactly it interacts with the red giant once it has been engulfed. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z The result is a unique, 2,000-year time line of the star’s evolution that tracks its progression from a yellow hydrogen-burning star somewhat similar to our sun to the red giant we know today. Ancient Stargazers Saw Betelgeuse Shine a Different Color 2022-08-18T04:00:00Z Novas are stellar explosions that can happen when a red giant pours fuel onto a companion white dwarf star. Astronomers Just Saw a Star Eat a Planet for the First Time 2023-05-03T04:00:00Z The faint blue concentric shells surrounding the central region identify the mass that was shed slowly from the surface of the star when it became a red giant. Astronomy 2016-10-13T00:00:00Z The human species will become extinct by a cosmic event: our sun enlarging to a red giant, the Milky Way and Andromeda galaxies colliding, the universe dying through the increasing disorder of entropy, or otherwise. Opinion \| The James Webb Space Telescope unveils as many questions as stars 2022-08-12T04:00:00Z If that entry occurs too early in the red giant transition, the star’s atmospheric layers will be dense, making them far more resistant to being tossed away. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z 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 All of this will happen before the Sun even becomes a red giant. Astronomy 2016-10-13T00:00:00Z Many are aging “red giants” near the end of their lives, with well-documented properties that help astronomers estimate their true luminosity and distance to them. Take a cosmic tour inside the images captured by NASA’s Webb telescope All else being equal, a planet entering a star later in the red giant phase is more likely to survive because it can more easily peel away the star’s tenuous outer layers. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z The researchers also dug up ancient records for 235 other stars, including another red giant that looks much like Betelgeuse today—the southern-sky star Antares. Ancient Stargazers Saw Betelgeuse Shine a Different Color 2022-08-18T04:00:00Z Dr. Kroto realized that this apparatus could create conditions similar to those in the atmosphere of a red giant. Robert F. Curl Jr., Nobel Prize Winner in Chemistry, Dies at 88 2022-07-20T04:00:00Z Also, when more massive stars become red giants, they become so bright and large that we call them supergiants. Astronomy 2016-10-13T00:00:00Z 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 Roughly 1 percent of observed red giants are anomalously rich in lithium, Yarza says. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z 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 Our sun will be a red giant by the time we merge with Andromeda, engulfing Mercury and Venus and then Earth as it grows to a diameter as large as Earth’s current orbit. The Milky Way Is Destined to Collide with Andromeda, and We Know What It Will Look Like 2021-11-16T05:00:00Z What will happen when our Sun becomes a red giant. Astronomy 2016-10-13T00:00:00Z Using the Hubble Space Telescope to observe these red giants, Freedman’s team arrived at an estimate for the Hubble constant in 2019: roughly 70. The James Webb Space Telescope Could Solve One of Cosmology’s Deepest Mysteries 2022-01-25T05:00:00Z Plumes of stellar material welling up from beneath can carry lithium-rich pieces of the destroyed world back to the red giant’s exterior, making them detectable. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z After that happens, it will expand into a red giant and engulf many of the inner planets, and perhaps mess up the orbits of outer ones. Astronomers observe a distant solar system that looks a lot like ours will after the sun explodes 2021-10-20T04:00:00Z "The streaming wars, as they currently stand, are not a battle to unseat Netflix within viewers' homes, but rather to earn a place alongside the red giant," MoffettNathanson analysts said in a research note. Megahit "Squid Game" puts focus squarely on Netflix's overseas growth 2021-10-19T04:00:00Z 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 Dying stars spew out harmful radiation as they grow into a phase called red giants and introduce turbulence in their systems that could obliterate life. Astronomers found a planet that survived its star’s death 2021-10-18T04:00:00Z Sooner or later, it seems, telescopes will clearly reveal some red giants’ unexpected flarings—and with them, the grisly fates of swallowed worlds. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z "Given that this system is an analog to our own solar system, it suggests that Jupiter and Saturn might survive the Sun's red giant phase, when it runs out of nuclear fuel and self-destructs." Astronomers observe a distant solar system that looks a lot like ours will after the sun explodes 2021-10-20T04:00:00Z As darkness settled in, a small crowd of visitors gathered around and Mr. Bohley lifted his eyes upward, guiding them to planets and galaxies, white dwarfs and red giants. Where Dark Skies Draw Star-Gazers, Wildfire Smoke Spoils the View 2021-08-13T04:00:00Z The white dwarf then begins to attract material from its companion, which in turn evolves to become a red giant. Astronomy 2016-10-13T00:00:00Z “If humanity is somehow still around in 5 billion years, we would probably have a better chance of surviving the sun’s red giant phase on a moon of Jupiter than on Earth,” Blackman said. Astronomers found a planet that survived its star’s death 2021-10-18T04:00:00Z 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 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 Betelgeuse, a restive red giant likely to blow up sometime in the next 100,000 years, has settled down in recent months, and in any case, it lies more than 500 light-years away. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z Wouldn’t it be nice if every elliptical galaxy evolved into a spiral, for example, just as every main-sequence star evolves into a red giant? Astronomy 2016-10-13T00:00:00Z A luminous star called a red giant orbits with the black hole in a so-called binary star system named V723 Mon. A black hole dubbed 'the Unicorn' may be galaxy's smallest one 2021-04-22T04:00:00Z For example, our own sun will destroy Mercury, Venus and perhaps Earth when it becomes a red giant, about 5 billion years from now. Scientists Spot Giant Planet Orbiting Dead Star’s Corpse 2020-09-17T04:00:00Z After a supernova disperses enough to be transparent, astronomers routinely search for a surviving red giant companion but have never found one. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z At that point, the sun will expand, transform into a red giant, growing hundreds of times larger and engulfing nearby planets, like Mercury, Venus and perhaps Earth. A dissolving exoplanet prophesies our solar system's final days 2019-12-08T05:00:00Z But eventually, each new generation of stars will evolve to become red giants, with stellar winds of their own. Astronomy 2016-10-13T00:00:00Z The space telescope snapped the picture of the star, known as NGC 2022, a so-called "red giant," showing the ancient star expanding to a size larger than our sun. 'Jellyfish' star found in deep space 2019-08-19T04:00:00Z Most notably, thanks to their location in a galaxy’s uncrowded outskirts, red giants are less prone to the contaminating effects of interstellar dust and other nearby stars than Cepheids. Hubble Tension Headache: Clashing Measurements Make the Universe's Expansion a Lingering Mystery 2019-07-29T04:00:00Z Astronomers would expect some hydrogen from the red giant to be swept along with the other explosion debris, creating an absorption line in the spectrum of the supernova’s light as the remnant cools. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z Instead, her team looked toward old, swollen stars called red giants. Debate intensifies over speed of expanding universe 2019-07-19T04:00:00Z Over time, massive stars become red supergiants, and lower-mass stars like the Sun become red giants. Astronomy 2016-10-13T00:00:00Z The result is statistically compatible with the Planck prediction and with Riess’s Cepheid calculation — meaning the error bars of the calculations overlap — and the technique’s precision will improve as data on red giants accumulates. How fast is the Universe expanding? Cosmologists just got more confused 2019-07-15T04:00:00Z But before a star becomes a white dwarf, it first goes through a red giant phase in which it balloons in size, swelling to scorch or even swallow any close-in planets. Future Gravitational Wave Detectors Could Find Exoplanets, Too 2019-07-08T04:00:00Z He says the classic scenario of a white dwarf paired with a large star such as a red giant “doesn’t happen in nature, or quite rarely.” The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z 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 Just how different are these red giants and supergiants from a main-sequence star? Astronomy 2016-10-13T00:00:00Z In the process of dying, however, these stars first puff up into so-called red giants, enveloping and destroying their inner planets. Apocalypse Next? Astronomers Find a Chunk of Planet Around a Distant, Dead Star 2019-04-04T04:00:00Z It is thought that when the sun swells into a red giant, it will consume Mercury, Venus, and Earth. Astronomers spy an iron planet stripped of its crust around a burned-out star 2019-04-04T04:00:00Z If they all originate from a white dwarf and a red giant, the galaxy would have to host some 10,000 of these pairs—and there’s little evidence of them. The galaxy’s brightest explosions go nuclear with an unexpected trigger: pairs of dead stars 2020-06-04T04:00:00Z If our world exists at all in that far future, it will be a cinder: Long before the galaxies collide, the dying Sun will billow into a red giant and roast it. Andromeda Is Coming for Our Milky Way Galaxy, Eventually 2019-02-08T05:00:00Z It will be billions of years before the Sun begins its own “climb” away from the main sequence—the expansion of its outer layers that will make it a red giant. Astronomy 2016-10-13T00:00:00Z 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 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 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 “Afterward it becomes a red giant and is much less pleasant,” said Dr. Heck. The Young Sun’s Outbursts Were Trapped in Blue Crystals From Outer Space 2018-07-30T04:00:00Z 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 this happens, nuclear reactions will start up outside the core, causing the sun to swell into a red giant that eventually engulfs Mercury and Venus. Sun 'will flare into massive planetary nebula when it dies' 2018-05-07T04:00:00Z A database of Cepheid distance moduli and tip of the red giant branch, globular cluster luminosity function, planetary nebula luminosity function, and surface brightness fluctuation data useful for distance determinations. A single population of red globular clusters around the massive compact galaxy NGC 1277 2018-03-11T05:00:00Z VLT/FLAMES spectroscopy of red giant branch stars in the Fornax dwarf spheroidal galaxy. Two chemically similar stellar overdensities on opposite sides of the plane of the Galactic disk 2018-02-25T05:00:00Z 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 The more massive star evolves first to become a red giant and then a white dwarf. Astronomy 2016-10-13T00:00:00Z After forming a red giant, the sun will lose about half of its mass as the outer layers are blown off at about 20km per second. Sun 'will flare into massive planetary nebula when it dies' 2018-05-07T04:00:00Z 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 There are exceptions—old stars such as red giants and white dwarfs—but these are easily recognised. Planets come in different species 2017-06-22T04:00:00Z Earth will continue till the sun becomes a red giant and engulfs it and there is nothing we can do about that. Opinion \| The Planet Can’t Stand This Presidency 2017-04-21T04:00:00Z Note that the brightest stars in this cluster, which are red giants that have already completed the main-sequence phase of their evolution, are red-orange in color. Astronomy 2016-10-13T00:00:00Z 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 His starting point was a red giant with a companion star. Dying gasps of paired stars sculpt galaxy’s colorful gas clouds 2016-09-16T04:00:00Z The 65-light-year-distant red giant Aldebaran will be eclipsed by the moon for observers from southern New Mexico to northern Maine, according to Astronomy.com. This Week’s Night Sky: See Shooting Stars and a Cosmic Crab 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 One massive star has evolved to become a red giant and stands out as an especially bright orange member of the cluster. Astronomy 2016-10-13T00:00:00Z Orange-hued Arcturus is a red giant and is the lead star in the kite-shaped northern constellation Boötes, the herdsman. This Week’s Night Sky: See Mars and Jupiter Compete 2016-05-23T04:00:00Z When the giant sheds its envelope, it engulfs its partner, which spirals inward until it closely orbits the red giant core, gathering mass to itself in a disk in the same plane of the orbit. Dying gasps of paired stars sculpt galaxy’s colorful gas clouds 2016-09-16T04:00:00Z 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 Aldebaran is a dying red giant star about 66 light-years from Earth. This Week’s Night Sky: See Mercury Take Flight As described in this chapter, the Sun will lose some of its mass as it becomes a red giant. Astronomy 2016-10-13T00:00:00Z The moon will appear only three degrees from the 68-light-year-distant red giant—equal to the width of your three middle fingers at arm’s length. This Week’s Night Sky: Hunt for Jupiter’s Great Red Spot Of course, while the cosmic duo will appear close in our Earthly skies, the moon is some 1.27 light-seconds away, while the red giant lies 66 light-years from Earth. This Week’s Night Sky: Bull’s Eye Winks Out Not understanding the physics of this mysterious star, Harper says, means that researchers will struggle to understand the other red giants in the Universe. Death throes of giant star puzzle researchers 2016-01-07T05:00:00Z All the stars in the map are red giants - a very good place to start, Dr Ness explained, when peering across half a galaxy. Largest ever 'age map' traces galactic history - BBC News 2016-01-08T05:00:00Z We have already seen that carbon and some oxygen are manufactured inside the lower-mass stars that become red giants. Astronomy 2016-10-13T00:00:00Z Of course, by then Earth will be burnt to a crisp following the sun's expansion into a red giant, if not engulfed altogether. Dying Star Destroys a Dwarf Planet 2015-10-22T04:00:00Z After a regular star uses up all its nuclear fuel, it turns into a red giant, expanding outward to 100 times its original size. Zombie white dwarf star caught destroying an orbiting planet 2015-10-21T04:00:00Z Betelgeuse is a red giant near the end of its life, much as the Sun will be billions of years from now. Death throes of giant star puzzle researchers 2016-01-07T05:00:00Z Billions of years from now, our sun will expand into a red giant, engulfing and incinerating Mercury and possibly Venus and Earth. Dying sun caught tearing apart its own asteroids 2015-10-21T04:00:00Z Eventually, as stars age, they evolve away from the main sequence to become red giants or supergiants. Astronomy 2016-10-13T00:00:00Z Stellar mystery As a star grows old, it balloons outward into a huge red giant, swallowing anything orbiting too close to it. Dying Star Destroys a Dwarf Planet 2015-10-22T04:00:00Z Eventually, a red giant will start to contract and shed its outer layers, growing much smaller and more dense. Zombie white dwarf star caught destroying an orbiting planet 2015-10-21T04:00:00Z 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 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 The core of a red giant is contracting, but the outer layers are expanding as a result of hydrogen fusion in a shell outside the core. Astronomy 2016-10-13T00:00:00Z After exiting the solar system, New Horizons will wander the galaxy interminably, a relic that will outlive Earth, when the sun goes red giant and swallows it up. Feature: How Alan Stern’s tenacity, drive, and command got a NASA spacecraft to Pluto 2015-06-25T04:00:00Z Once the orbit of these two stars began to tighten, helium from the red giant was transferred to the white dwarf, according to a study published in Science. 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 Both stars are red giants, aging suns that shine so brightly observers can see them from afar. Far Out: The Most Distant Star in the Milky Way 2014-08-11T04:00:00Z Fusion of hydrogen and helium in shells around the contracting core makes the star a bright red giant again, but only temporarily. Astronomy 2016-10-13T00:00:00Z 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 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 Things will become rather uncomfortable in about 6 billion years, when the sun swells to become a red giant, boiling the oceans away and possibly even swallowing Earth. This is the way the world ends: How the cosmos will meet its demise 2014-03-09T13:00:00Z The finding erodes a long-standing view that type Ia supernovae arise from a single white dwarf accruing material from an ordinary companion star, either a Sun-like star or an elderly, bloated red giant. Kepler clue to supernova puzzle 2014-01-15T18:20:59.210Z When the star is a red giant, it can shed its outer layers and thereby expose hot inner layers. Astronomy 2016-10-13T00:00:00Z They eventually expand so much the star becomes a red giant. 7 questions on GCSE science 2013-08-21T00:52:28Z In just a few billion years from now, it will use up all of its hydrogen fuel and will swell to become a red giant. 'Dirty' stars hint at Sun's future 2013-05-09T22:25:05Z Krypton orbited a star that was a red giant, which is cooler than our own sun, and puts out less ultraviolet light. How To Get Superpowers 2012-12-13T16:11:46Z Our planet will be incinerated in about 5 billion years when our Sun, in its own death throes, becomes a red giant. Letters: Cycle of Birth and Death (1 Letter) 2012-11-26T23:01:30Z Stars above and to the right of the main sequence could be either red giants that had evolved away from the main sequence or very young stars that are still evolving toward the main sequence. Astronomy 2016-10-13T00:00:00Z 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 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 The most massive of them also quickly die in supernova explosions; others end their lives by expanding into red giants and shedding their outer layers. Galaxy formation: The new Milky Way 2012-10-03T18:21:29.637Z Becoming a red giant is not a death sentence. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z The solid black lines show the predicted evolution from the main sequence through the red giant or supergiant stage on the H–R diagram. Astronomy 2016-10-13T00:00:00Z More common are are smaller, garden variety white dwarf explosions — novas without the super prefix — sometimes occurring repeatedly as a single white dwarf vacuums up and blasts away red giant material over and over again. The Great, Exploding Monty Python Star 2012-08-24T16:35:33Z The spiral is thought to be created from the gases being expelled by the dying red giant called R Sculptoris. Strange Star Spiral Offers Clues to Sun's Fate 2012-10-11T15:15:01.053Z As this red giant swelled with age, this matter poured on its white dwarf companion, occasionally triggering explosions known as novas. Red Giants and White Dwarfs Make Explosive Stellar Pairings 2012-08-23T21:15:00.213Z To revitalize a red giant is to place some big bets on existing and nascent markets in which your organization’s perspective will enable considerable disruption. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z The brightest stars are red giants that have begun to exhaust their hydrogen fuel and have expanded to about 100 times the diameter of our Sun. Astronomy 2016-10-13T00:00:00Z Its an aging red giant – 11 times larger than our own Sun but not that much more massive. Astronomers Discover A Star That May Have Destroyed Its Own Planet 2012-08-22T04:22:29Z That information should reveal the mass and orbits of R Sculptoris and its companion star, providing more exact information about what happens to red giants during and after their thermal pulses. Strange Star Spiral Offers Clues to Sun's Fate 2012-10-11T15:15:01.053Z 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 Leaders of technology red giants are trying to fight this exact tendency toward collapse to a burned-out core. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z Note the gap that appears in this H–R diagram between the stars near the main sequence and the red giants. Astronomy 2016-10-13T00:00:00Z Rising temperatures near the cores of red giants cause these elderly stars to expand in size, a process which will cause any nearby planets to be destroyed. Star is caught devouring planet 2012-08-21T15:55:38Z "It's unclear whether or not the Earth will survive this red giant phase," says Guillot, "but our theoretical models may help to shed more light on that." Brown Dwarfs Being Gobbled Up by Parent Stars 2012-06-14T18:19:02Z Halo stars die by becoming red giants and then white dwarfs—dense stars little larger than Earth. The Milky Way's Oldest and Wisest Stars 2012-05-30T18:10:00Z Nope. in the early 1990s and a decade later perfectly show how to turn a bloated red giant into an innovation leader. Can Yahoo Save Itself From Imploding? Here's how to turn around a tech juggernaut. 2012-10-02T08:40:45Z 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 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 The worlds now orbiting the former red giant would be the surviving, Earth-size chunks. Ballooning Star Split Planet in Two 2012-04-16T22:15:06.593Z On the other hand, if Polaris pulses the way Neilson's team describes it, then the North Star would be past the red giant stage and now burning helium in its core. North Star May Be Wasting Away 2012-01-27T18:02:20Z Describe the evolution of a star with a mass similar to that of the Sun, from the protostar stage to the time it first becomes a red giant. Astronomy 2016-10-13T00:00:00Z "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 One possibility is stars literally pushing the planets into interstellar space after the suns reach the end of their normal hydrogen-burning lives and begin expanding into red giants. ScienceShot: Why So Many Homeless Planets? 2012-01-17T17:50:46Z The sun will swell up into a red giant, engulfing us and the other inner planets. Ballooning Star Split Planet in Two 2012-04-16T22:15:06.593Z The core of the star collapses as the outer region expands and cools, creating a type of star known as a red giant. Red Giant Core Spins Ten Times Faster Than Its Surface 2012-01-11T18:15:00.253Z Stars that have masses approximately 0.8 times the mass of the Sun take about 18 billion years to turn into red giants. Astronomy 2016-10-13T00:00:00Z Knowing the difference would help them to determine the red giants' ages, how quickly they evolve and the amount of gas and heavy elements that they shed into interstellar space during each phase. Kepler?s surprise: The sounds of the stars 2012-01-04T18:20:15.193Z Indeed life on Earth, and any atmosphere, will be long gone even before the sun swells into a red giant. Earth Could Survive Sun's Red Giant Phase 2012-01-04T13:17:52Z Such observations show that the surfaces of most yellow, orange, and red giants rotate slowly—but the observations say nothing about what's happening beneath the surface. Giant Stars Bare Their Whirling Hearts 2011-12-07T18:01:00Z Even though this would help Earth to survive the sun's red giant phase, its ultimate fate is probably sealed. Earth's Ultimate Destruction—And Possible Reincarnation 2011-09-16T22:00:33Z 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 That was impossible until Kepler: from the outside, a red giant looks the same regardless of what it is burning. Kepler?s surprise: The sounds of the stars 2012-01-04T18:20:15.193Z First of all, the easiest stars to date directly are the most massive ones, like red giants, which change in both color and size as they get older. Why Older Planets Are More Likely to Harbor Life 2011-06-01T10:00:00Z The bigger a star is, the more rapidly it burns up its fuel, and the quicker it becomes a bloated red giant. Stellar evolution: Slowing down in old age 2011-05-26T10:46:21Z But stars like our sun swell into bloated red giants when the nuclear fuel in their cores is depleted. Earth's Ultimate Destruction—And Possible Reincarnation 2011-09-16T22:00:33Z 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 In about 5 billion years' time, for example, the Sun will become a red giant big enough devour the innermost planets of the Solar System. Kepler?s surprise: The sounds of the stars 2012-01-04T18:20:15.193Z In 500 million years the gradually warming sun may boil the oceans, and a few billion years later the sun will evolve into a red giant, incinerating or engulfing the Earth. Why we should embrace the end of human spaceflight 2011-04-12T11:01:00Z From Kepler's viewpoint, the two smaller binary stars pass in front of one another as they orbit each other, and they in turn pass in front of the red giant. Strangely silent star system seen 2011-04-08T17:13:58Z "This discovery is particularly intriguing when we consider the distant future of our own planetary system, as the Sun is also expected to become a red giant in about 5 billion years," Setiawan said. Cosmic "cannibalism" brings new planet to Milky Way 2010-11-18T19:13:00Z A white dwarf, with its stronger surface gravity, produces more distortion just above its surface than does a red giant with the same mass. Astronomy 2016-10-13T00:00:00Z Stars smaller than eight solar masses simply expand into red giants and then dwindle away into white dwarfs. Black holes: Win some, lose some 2010-09-16T11:19:00Z There was the fleck of white high up near the top of the red giant, its white-dwarf companion in transit. Earthsmith He looked like some shaggy red giant, wearing only a loin-cloth with his hair and beard all awry. The Golden Amazons of Venus But they say she wanted to marry him; she loved the red giant. The Scarlet Banner Given the destructive power of impacting asteroids, expanding red giants, and nearby supernovae, our species may not be around in the remote future. Astronomy 2016-10-13T00:00:00Z Could even match the red giant at sailorly work with ropes and wires. Fire Mountain A Thrilling Sea Story Back again to the hay, still building new victories, and nobler ones, on the foundation of this triumph over Swan Carlson, the red giant who choked men to death in the snow. The Flockmaster of Poison Creek "Now," I said, "what of the red giant?" The O'Ruddy A Romance The red giant was a medicine man, for he clashed and rattled an enormous gourd full of bowlders. Out of the Depths A Romance of Reclamation The bulge and the fainter bar both appear yellowish because the brightest stars in them are mostly old yellow and red giants. Astronomy 2016-10-13T00:00:00Z But the room was dark, and the red giant was sleeping noisily. Fire Mountain A Thrilling Sea Story The arrow buried itself deep in the red giant’s muzzle. In the Morning of Time The red giant had the advantage in height, if not in weight; the black giant in strength of muscle, if not in suppleness of limbs. Burl It's a red giant, and it's an irregular variable. The Ultimate Weapon Three swords to one was awkward odds; and the red giant, with a companion nearly as large as himself, would no doubt prove very different antagonists from the poltroon with whom I was engaged. The War Trail The Hunt of the Wild Horse On their ancient star charts it was listed as a red giant, named Tongsil-239-e, which meant it was of the fifth magnitude and very distant. The Black Star Passes 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 The black giant was nearer the goal, but the red giant had longer and nimbler legs, which made it again about nip and tuck between the black and the red. Burl He picked out several blue-white and red giants he was sure he knew. Man of Many Minds I saw the red giant before me with his hand raised on high. The War Trail The Hunt of the Wild Horse Nevertheless, he brought the car to anchor without a second's hesitation, drawing up alongside the humiliated red giant. My Friend the Chauffeur It was indeed a red giant; long tenuous plumes of gas spread out for hundreds of millions of miles on all sides of its glowing red core. Star Surgeon Stranger," said the collier, "these things may seem strange to you, but when we came here our lives were haunted by the red giant that has gone out into the wood. Little Sky-High The Surprising Doings of Washee-Washee-Wang He took up our life just as though he had left it the day before yesterday—just the same sun-glazed hairy red giant, noisy, laughter-loving and voracious. Jaffery "Norman of Torn dares ride where he will in all England," boasted the red giant. The Outlaw of Torn A red giant genie broke his vessel with its Solomon's seal, freed himself, and stood on the edge of the town; he laughed soundlessly yet repugnantly. The Created Legend This red giant star," he read, "was studied in the usual fashion. Star Surgeon The red giant reeled through the door and down the stairs and out into the night. Little Sky-High The Surprising Doings of Washee-Washee-Wang But the red giant, seeing his brother fall, smote at Le Beau Disconus with the half-roasted boar, like a madman; and he laid on so sore that Le Beau Disconus's horse was slain. The Junior Classics — Volume 4 Roger de Conde spoke no English, and yet she had plainly heard English words upon this man's lips as he addressed the red giant. The Outlaw of Torn Of course his courage and dexterity, with that of the red giant, Martin, have told against myself, have, in short, lost me a trick in the game. Lysbeth, a Tale of the Dutch Beside him on the march rode the fierce red giant, Shandy, and the wiry, gray little man of Torn, whom the outlaw called father. The Outlaw of Torn The black giant held in his arms a maiden as bright as a flower, while the red giant was burning a wild boar on a spit before the flaming fire. The Junior Classics — Volume 4
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