On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
41% of the moon is not visible from earth at any time.
103
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 moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
If two pieces of metal touch in space, they become permanently stuck together.
808
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4