Jupiter's moon Ganymede, is larger than the planet Mercury!
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A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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It 'snows' metal on Venus.
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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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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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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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Pluto is smaller than Russia.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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