Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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It takes eight and a half minutes for light to get from the sun to earth.
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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 population of the Earth has more than doubled since 1950.
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There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Buzz Aldrin’s mother’s maiden name was Moon.
9