If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Some asteroids have other asteroids orbiting them.
131
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
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
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
Buzz Aldrin’s mother’s maiden name was Moon.
9
Astronauts get taller when they are in space.
224