MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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