Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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NASA invented baby food as we know it today.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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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.
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