Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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The earth rotates more slowly on its axis in March than in September.
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The sun is 330,330 times larger than the earth!
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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