If two pieces of metal touch in space, they become permanently stuck together.
808
Only 55% of Americans know that the sun is a star.
986
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The population of the Earth has more than doubled since 1950.
151
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
It 'snows' metal on Venus.
13
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