Mars had an oxygen-rich atmosphere around 4 billion years ago
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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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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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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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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