Astronauts get taller when they are in space.
224
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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
It takes eight and a half minutes for light to get from the sun to earth.
159
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
If two pieces of metal touch in space, they become permanently stuck together.
808