Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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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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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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NASA invented baby food as we know it today.
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