Some asteroids have other asteroids orbiting them.
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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
Lightning strikes about 6,000 times per minute on this planet!
158
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Pluto is smaller than Russia.
9
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
A comet's tail always points away from the sun.
2