The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The light hitting the earth right now is 30 thousand years old.
163
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
It takes eight and a half minutes for light to get from the sun to earth.
159
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The population of the Earth has more than doubled since 1950.
151
Jupiter's moon Ganymede, is larger than the planet Mercury!
149