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What would happen if the Sun disappeared

8 minutes: The Earth would have realised the Sun had disappeared. It would also travel tangent to wherever it was travelling around its orbit.

30 minutes: The light from Jupiter would have blinked out.

2 - 3 days: Most plants would have died due to no food from photosynthesis.

1 week: The average global temperature would be 0 degrees Celsius. Great trees would have died because of their water and sap would have solidified. The Earth's extra-terrestrial light would only be \(\frac {1}{300}\) of a full moon.

1 year: The average global temperature would be -73 degrees Celsius. Any human who wasn't living underground or near geothermal plants would have died.

1 - 3 years: The Earth's oceans would have frozen all the way. At the bottom of the oceans, liquid water could still exist and so could extremophiles like microbes.

10 - 20 years: The air would have condensed into liquid and would rain on the Earth, and later snow.

1 billion years: The Earth would have travelled 100000 light years or have crossed the Milky Way.

Anything to add?

Note by Sharky Kesa
3 years, 2 months ago

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Assuming you didn't die too quickly, the stargazing would be pretty amazing. Peter Taylor Staff · 3 years, 2 months ago

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@Peter Taylor Awesome stargazing. Sharky Kesa · 3 years, 2 months ago

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@Peter Taylor If we mapped out the constellations while the Earth travelled, we'd find that they were centered at the original orbit of Earth. Sharky Kesa · 1 year, 6 months ago

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Perhaps new types of species will emerge.The ones which can adapt to this change. Aman Jaiswal · 3 years, 2 months ago

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@Aman Jaiswal Extremophilic species. Sharky Kesa · 3 years, 2 months ago

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Very informative! Robert Fritz · 2 years, 12 months ago

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its interesting as well as horrifiying. Javeria Raja · 3 years, 2 months ago

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Firstly, if the sun ever dissapears then it would go through these transformations, The nuclear fuel in the sun is slowly finishing off, but the sun's gravity will remains the same, so what will the sun do? Well, it's gravity won't be able to make it a black hole so the nuclear fuel will try to push out and the sun will would become what we call a RED GIANT STAR . The effects of this would be way adverse such that the temperature would tremendously increase up ,all the water would dry up and the worse life will be in extreme danger. It would not end here because then the gravity would say ''now, you have had your turn let me have mine.'' The gravity will try to pull the sun in but to some extent as I mentioned before it cannot turn into a black hole.Then the sun will become what we call a WHITE DWARF STAR as it will shrink to 1/100th size of earth and will become tremendously cold.What about life on earth?All the left precipitation(water in any form) will freeze and life till that time will become very scarce. The life of sun would not end here.I will be starting a discussion on this soon Secondly , There are 4.5 billions years still left for this to happen and by that time, mankind may have found life somewhere in the stars . Raven Herd · 2 years, 10 months ago

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@Raven Herd I meant that the Sun completely vanishes. A wormhole could make this possible as well as the matter of the Sun to quantum tunnel to a different region of space. Sharky Kesa · 2 years, 10 months ago

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@Sharky Kesa I tried to state it in another way.The presence of a wormhole can definitely be a reason but their presence in our galaxy would have been detected and that would be a BIG HEADLINE because they cannot just pop out from anywhere or emerge out of nothing. P.S I plainly don't know much about wormhole theory and the above given statement is an intuitive one. Raven Herd · 2 years, 10 months ago

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earth attracted by healthy gravity plant or galaxy Durai Samy.P · 3 years, 1 month ago

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@Durai Samy.P Possibly but unlikely. Sharky Kesa · 3 years, 1 month ago

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Earth can be enter in another orbit and life will on. Abhilash Aryvanshi · 3 years, 1 month ago

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@Abhilash Aryvanshi It would take millennia to millions of years. Sharky Kesa · 3 years, 1 month ago

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Assuming you didn't die too quickly........ Hashir Ks · 3 years, 1 month ago

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after some billion year:-maybe earth get in to another orbit around other star due to gravitation field of that star...and life again cherish on earth due to its heat n light Shubham Yadav · 3 years, 1 month ago

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If sun disapears photosynthesis in plants and trees does not occur and physicaly all the planets will collasped if its center sun disappears,no heat energy no light Ankit Singh · 3 years, 1 month ago

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If the sun had gone, what would happen to the Earth's orbit and other celestial bodies out there? Would we naturally just achieve a perfect balance again in our solar system as nature always does, orbiting another object (which would take probably hundreds of years) or what? Victor Song · 3 years, 2 months ago

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@Victor Song possibly, but it would take millennia. The nearest star, Proxima Centauri, is 4 light years away or 37.8 trillion kilometres. Since the Earth was travelling at 30km/s, it would take about 4000 years. Sharky Kesa · 3 years, 2 months ago

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I don't understand the 10-20 years part. Without the sun, how is there rain or snow? Samuel Wong · 3 years, 2 months ago

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@Samuel Wong It was so cold that the air condensed into liquid and clouds which precipitated. Sharky Kesa · 3 years, 2 months ago

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We'd die Guilherme Dela Corte · 3 years, 2 months ago

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@Guilherme Dela Corte We might be living underground. Sharky Kesa · 3 years, 2 months ago

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@Sharky Kesa Maybe we can generate energy from the earth's core. Samuel Wong · 3 years, 2 months ago

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@Samuel Wong Exactly Sharky Kesa · 3 years, 2 months ago

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@Sharky Kesa Either way we would most likely die due to having no food and we simply don't have enough time to prepare for that kind of disaster (Unless they're already doing that right now). Victor Song · 3 years, 2 months ago

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@Victor Song Do you know that humans have enough food already to last a whole year without any crops. Also, hydroponics might be vastly expanded so we may be able to live. Sharky Kesa · 3 years, 2 months ago

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@Sharky Kesa Also, I think it would possible to use electricity from geothermal/nuclear/ plants to make artificial sunlight to feed our plants. Though only a fraction of humans would survive in an underground bunker. Yash Talekar · 3 years, 2 months ago

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@Yash Talekar Probably. Sharky Kesa · 3 years, 2 months ago

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Couldn't Earth start orbiting any other much larger body like Jupiter?? Vishal Sharma · 3 years, 2 months ago

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@Vishal Sharma No. Jupiter's gravity is not big enough and even if the started moving in the direction of Jupiter we would be bombarded by asteroids in the asteroid belt. Sharky Kesa · 3 years, 2 months ago

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if I ever wish to die...........that is how I wud wish to! for it wud be a super stimulating experience to perish this way Mayankk Bhagat · 3 years, 2 months ago

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@Mayankk Bhagat Actually,i would love to die like that.The sight would be intriguing. Adarsh Kumar · 2 years, 10 months ago

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