It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
If two pieces of metal touch in space, they become permanently stuck together.
808
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
It would take more than 150 years to drive a car to the sun.
569
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9