It takes eight and a half minutes for light to get from the sun to earth.
159
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The light hitting the earth right now is 30 thousand years old.
163
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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Some asteroids have other asteroids orbiting them.
131