The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Astronauts get taller when they are in space.
224
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15