A comet's tail always points away from the sun.
2
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Earth gets 100 tons heavier every day due to falling space dust.
673
Sound doesn't travel in space.
255
Today's top fuel dragsters take off with more force than the space shuttle.
120
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Lightning strikes about 6,000 times per minute on this planet!
158
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