In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Earth is the only planet in our solar system that's not named after a god or goddess.
17
41% of the moon is not visible from earth at any time.
103
Summer on Uranus lasts for 21 years.
358
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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