Jupiter's moon Ganymede, is larger than the planet Mercury!
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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 is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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