It takes eight and a half minutes for light to get from the sun to earth.
159
Earth is the only planet in our solar system that's not named after a god or goddess.
17
There are two golf balls sitting on the moon.
721
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Pluto is smaller than Russia.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The Earth gets 100 tons heavier every day due to falling space dust.
673
The sun is 330,330 times larger than the earth!
190