Summer on Uranus lasts for 21 years.
358
Today's top fuel dragsters take off with more force than the space shuttle.
120
Pluto is smaller than Russia.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277