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.
12
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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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Jupiter's moon Ganymede, is larger than the planet Mercury!
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The earth travels through space at 660,000 miles per hour.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Summer on Uranus lasts for 21 years.
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