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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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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The earth is .02 degrees hotter during a full moon.
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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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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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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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