The earth travels through space at 660,000 miles per hour.
189
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
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
The sun is 330,330 times larger than the earth!
190
Today's top fuel dragsters take off with more force than the space shuttle.
120
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