Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Some asteroids have other asteroids orbiting them.
131
Today's top fuel dragsters take off with more force than the space shuttle.
120
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Sound doesn't travel in space.
255