The earth travels through space at 660,000 miles per hour.
189
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
