Only 55% of Americans know that the sun is a star.
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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The Earth gets 100 tons heavier every day due to falling space dust.
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It 'snows' metal on Venus.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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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.
12
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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