The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Buzz Aldrin’s mother’s maiden name was Moon.
9
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13