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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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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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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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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