On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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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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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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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.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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