What would happen if the Sun turned into a red giant?

As our star ends its life, it will swell far beyond its current size, and as it does so, it will transition into a Red Giant. During this transformation, the sun will melt our glaciers and (eventually) boil our oceans. This expanding Sun will engulf the Earth, and any life that remains along with it.
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Will the Earth survive the red giant?

Earth may just outrun the swelling red giant but its proximity, and the resulting rise in temperature, will probably destroy all life on Earth, and possibly the planet itself.
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What would happen if the sun turned into a red dwarf?

The goldilocks zone around a red dwarf is much closer and here on Earth we would likely freeze. Trying to live around this new red dwarf star would also mean that we had more intense magnetic fields and violent solar flares to deal with. Red dwarfs stars are smaller and cooler than our relatively average star, the Sun.
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What if the sun was replaced by Uy scuti?

If UY Scuti replaced the sun in the center of the solar system, its photosphere would extend just beyond the orbit of Jupiter. The nebula of gas ejected from the star extends far beyond the orbit of Pluto, to 400 times the distance between the Earth and the sun.
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Will the Sun become a black dwarf?

So, the Sun won't become a black dwarf for trillions of years — and, in fact, no black dwarfs exist yet, simply because the universe has not been around long enough to allow even the earliest stars to reach this stage.
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The Sun will turn into a Red Giant TWICE!



Will Sun become a white dwarf?

So what will happen to the Sun? In some 6 billion years it will end up as a white dwarf — a small, dense remnant of a star that glows from leftover heat. The process will start about 5 billion years from now when the Sun begins to run out of fuel.
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Will the Sun swallow Earth?

Drag from the chromosphere of the Sun would reduce Earth's orbit. These effects will counterbalance the impact of mass loss by the Sun, and the Sun will likely engulf Earth in about 7.59 billion years. The drag from the solar atmosphere may cause the orbit of the Moon to decay.
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How long until the Sun kills the Earth?

Tristan Greene. A team of researchers working with NASA have finally figured out when the sun's going to burn off all the oxygen on our planet, thus destroying all life on Earth. By their calculation it'll happen somewhere around the year 1,000,002,021.
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Will the Sun swallow Mars?

The bloated, dying star throws out material from its outer layers in intense episodic bursts. In our own solar system, the Sun will puff up so much that it will melt, evaporate and eat up some of the inner rocky planets. "I am confident that the Sun will swallow Mercury and Venus, and not Mars.
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How long will the Earth last?

The upshot: Earth has at least 1.5 billion years left to support life, the researchers report this month in Geophysical Research Letters. If humans last that long, Earth would be generally uncomfortable for them, but livable in some areas just below the polar regions, Wolf suggests.
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What year will the Earth be destroyed?

This means Earth will likely still be vaporised by the growing star. But don't worry, this scorching destruction of Earth is a long way off: about 7.59 billion years in the future, according to some calculations.
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Can Earth fall into a black hole?

Despite their abundance, there is no reason to panic: black holes will not devour Earth nor the Universe. It is incredibly unlikely that Earth would ever fall into a black hole. This is because, at a distance, their gravitational pull is no more compelling than a star of the same mass.
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Which country is the end of the Earth?

Verdens Ende ("World's End", or "The End of the Earth" in Norwegian) is located at the southernmost tip of the island of Tjøme in Færder municipality, Norway.
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Can our sun go supernova?

No supernova, no black hole

Our sun isn't massive enough to trigger a stellar explosion, called a supernova, when it dies, and it will never become a black hole either. In order to create a supernova, a star needs about 10 times the mass of our sun.
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Will the sun go nova?

Our sun is too small to go nova or supernova. It will ultimately enter a red giant stage and then collapse as a white dwarf. It would need to be at least eight times more massive to nova.
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Will the sun eventually explode?

After the sun has burned through most of the hydrogen in its core, it will transition to its next phase as a red giant. At this point roughly 5 billion years in the future, the sun will stop generating heat via nuclear fusion, and its core will become unstable and contract, according to NASA.
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Is Jupiter a failed Sun?

"Jupiter is called a failed star because it is made of the same elements (hydrogen and helium) as is the Sun, but it is not massive enough to have the internal pressure and temperature necessary to cause hydrogen to fuse to helium, the energy source that powers the sun and most other stars.
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What would happen if Earth became a black hole?

The same gravitational effects that produced spaghettification would start to take effect here. The edge of the Earth closest to the black hole would feel a much stronger force than the far side. As such, the doom of the entire planet would be at hand. We would be pulled apart.
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What happens if a person goes into a black hole?

Spaghettification: A black hole would stretch an astronaut's body into a thin ribbon, since the gravity pulling on their feet is so much stronger than on their head. One-way door: A black hole's event horizon is the “point of no return”. Nothing can escape from within, not even light.
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Will UY Scuti become a black hole?

UY Scuti will either become a Neutron Star or a black hole but a Neutron Star is the more likely of the two.
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Will UY Scuti supernova affect Earth?

If UY Scuti took our Sun's place at the center of our solar system, it would engulf everything as far out as the orbit of Saturn. That includes all of us here on Earth, so maybe it's best to leave that huge star where it is.
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What is bigger UY Scuti or 618?

The largest star

Some would say the largest object in the universe is UY Scuti, the largest known star. It's a red supergiant with a mass “only” 7–10 times the mass of the Sun, but with a radius up to 1,708 times the size! That's only 0.3% the size of TON 618, but obviously still stupendously large.
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Will the Earth last forever?

Earth will not be able to support and sustain life forever. Our oxygen-rich atmosphere may only last another billion years, according to a new study in Nature Geoscience. As our Sun ages, it is becoming more luminous, meaning that in the future Earth will receive more solar energy.
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