A comet's tail always points away from the sun.
2
Sound doesn't travel in space.
255
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
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Today's top fuel dragsters take off with more force than the space shuttle.
120
Venus is the only planet that rotates clockwise.
310