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.
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It 'snows' metal on Venus.
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Lightning strikes about 6,000 times per minute on this planet!
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Astronauts get taller when they are in space.
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The Earth gets 100 tons heavier every day due to falling space dust.
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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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