In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Jupiter is bigger than all the other planets combined.
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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.
9
The light hitting the earth right now is 30 thousand years old.
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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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Buzz Aldrin’s mother’s maiden name was Moon.
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