Earth is the only planet in our solar system that's not named after a god or goddess.
17
The sun is 330,330 times larger than the earth!
190
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The population of the Earth has more than doubled since 1950.
151
41% of the moon is not visible from earth at any time.
103
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
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