Summer on Uranus lasts for 21 years.
358
Some asteroids have other asteroids orbiting them.
131
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
It takes eight and a half minutes for light to get from the sun to earth.
159
Pluto is smaller than Russia.
9
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