Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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
Astronauts get taller when they are in space.
224
If two pieces of metal touch in space, they become permanently stuck together.
808
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147