Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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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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Pluto is smaller than Russia.
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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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Sound doesn't travel in space.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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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