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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The earth travels through space at 660,000 miles per hour.
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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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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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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.
147
The heart of an astronaut actually gets smaller when in outer space.
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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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