There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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Pluto is smaller than Russia.
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