Venus is the only planet that rotates clockwise.
310
Astronauts get taller when they are in space.
224
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
A comet's tail always points away from the sun.
2
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175