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 has radio storms so strong that they can be picked up and heard by an AM radio.
16
Astronauts cannot burp in space.
232
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
It takes eight and a half minutes for light to get from the sun to earth.
159
Some asteroids have other asteroids orbiting them.
131
The light hitting the earth right now is 30 thousand years old.
163
If two pieces of metal touch in space, they become permanently stuck together.
808