There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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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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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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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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