Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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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It takes eight and a half minutes for light to get from the sun to earth.
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A comet's tail always points away from the sun.
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Some asteroids have other asteroids orbiting them.
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Astronauts get taller when they are in space.
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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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