Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The earth is .02 degrees hotter during a full moon.
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Buzz Aldrin’s mother’s maiden name was Moon.
9
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
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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The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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