The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
A comet's tail always points away from the sun.
2
Summer on Uranus lasts for 21 years.
358
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Today's top fuel dragsters take off with more force than the space shuttle.
120
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14