Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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Summer on Uranus lasts for 21 years.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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The light hitting the earth right now is 30 thousand years old.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
146
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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