There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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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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The temperature of the earth's interior increases by 1 degree every 60 feet down.
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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.
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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 international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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