Venus is the only planet that rotates clockwise.
310
Pluto is smaller than Russia.
9
The earth rotates more slowly on its axis in March than in September.
145
The population of the Earth has more than doubled since 1950.
151
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Sound doesn't travel in space.
255
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
Jupiter's moon Ganymede, is larger than the planet Mercury!
149