A comet's tail always points away from the sun.
2
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The light hitting the earth right now is 30 thousand years old.
163