Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Summer on Uranus lasts for 21 years.
358
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The population of the Earth has more than doubled since 1950.
151
The Earth gets 100 tons heavier every day due to falling space dust.
673
If you went out into space, you would explode before you suffocated because there's no air pressure.
149