There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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Buzz Aldrin’s mother’s maiden name was Moon.
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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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.
219
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A comet's tail always points away from the sun.
2