If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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NASA invented baby food as we know it today.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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