Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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If you went out into space, you would explode before you suffocated because there's no air pressure.
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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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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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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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The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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