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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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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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