If NASA sent birds into space they would soon die; they need gravity to swallow.
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There are more nerve cells in the human brain than there are stars in the Milky Way.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The light hitting the earth right now is 30 thousand years old.
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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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