Jupiter's moon Ganymede, is larger than the planet Mercury!
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A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The light hitting the earth right now is 30 thousand years old.
163
Pluto is smaller than Russia.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5