The light hitting the earth right now is 30 thousand years old.
163
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
It takes eight and a half minutes for light to get from the sun to earth.
159
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Pluto is smaller than Russia.
9
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236