The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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Buzz Aldrin’s mother’s maiden name was Moon.
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The population of the Earth has more than doubled since 1950.
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41% of the moon is not visible from earth at any time.
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Astronauts cannot burp in space.
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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