/u/Sinnivar's posts in /r/askscience
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Would the world be habitable again 400 years after a nuclear war? Or would it still be incredibly radioactive and dangerous, in both natural disasters/weather and wildlife?
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Why to scientists who believe in extraterrestrial life always suggest that they're like humans and want to explore the universe to find other life? Or that they're more intelligent than us?
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In 100 trillion trillion trillion trillion years when all atoms in the universe (possibly) evaporate and leave no mass and just radiation, how would black holes still exist?
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Is all life on Earth extra terrestrial if all life originally came from water, and water on earth came from an asteroid?
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