Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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It 'snows' metal on Venus.
13
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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