The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Summer on Uranus lasts for 21 years.
358
Astronauts get taller when they are in space.
224
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
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236