An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The earth travels through space at 660,000 miles per hour.
189
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
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
Astronauts cannot burp in space.
232
It takes eight and a half minutes for light to get from the sun to earth.
159
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Astronauts get taller when they are in space.
224