Jupiter's moon Ganymede, is larger than the planet Mercury!
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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Some asteroids have other asteroids orbiting them.
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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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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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