Summer on Uranus lasts for 21 years.
358
Sound doesn't travel in space.
255
Pluto is smaller than Russia.
9
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
It would take more than 150 years to drive a car to the sun.
569
Jupiter is bigger than all the other planets combined.
254