The light hitting the earth right now is 30 thousand years old.
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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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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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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