A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The sun is 330,330 times larger than the earth!
190
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Some asteroids have other asteroids orbiting them.
131
A comet's tail always points away from the sun.
2