The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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Buzz Aldrin’s mother’s maiden name was Moon.
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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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Summer on Uranus lasts for 21 years.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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A comet's tail always points away from the sun.
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Pluto is smaller than Russia.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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