A comet's tail always points away from the sun.
2
If two pieces of metal touch in space, they become permanently stuck together.
808
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The earth is .02 degrees hotter during a full moon.
157
Astronauts cannot burp in space.
232
It 'snows' metal on Venus.
13