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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The light hitting the earth right now is 30 thousand years old.
163
It would take more than 150 years to drive a car to the sun.
569
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9