If two pieces of metal touch in space, they become permanently stuck together.
808
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
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
There are two golf balls sitting on the moon.
721
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127