There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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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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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Earth is the only planet in our solar system that's not named after a god or goddess.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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