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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The light hitting the earth right now is 30 thousand years old.
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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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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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 organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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