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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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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