An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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