Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Astronauts get taller when they are in space.
224
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The heart of an astronaut actually gets smaller when in outer space.
216
If you went out into space, you would explode before you suffocated because there's no air pressure.
149