Earth is the only planet in our solar system that's not named after a god or goddess.
17
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Earth gets 100 tons heavier every day due to falling space dust.
673
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
41% of the moon is not visible from earth at any time.
103
Some asteroids have other asteroids orbiting them.
131
A 100-pound person on Earth would weigh 38 pounds on Mars.
102