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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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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The sun is 330,330 times larger than the earth!
190
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
A comet's tail always points away from the sun.
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