The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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There are two golf balls sitting on the moon.
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Pluto is smaller than Russia.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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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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Lightning strikes about 6,000 times per minute on this planet!
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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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