If two pieces of metal touch in space, they become permanently stuck together.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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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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.
4
Sound doesn't travel in space.
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