The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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 population of the Earth has more than doubled since 1950.
151
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
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
It takes eight and a half minutes for light to get from the sun to earth.
159
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15