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
It takes eight and a half minutes for light to get from the sun to earth.
159
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The sun is 330,330 times larger than the earth!
190
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277