The earth rotates more slowly on its axis in March than in September.
145
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
The heart of an astronaut actually gets smaller when in outer space.
216
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10