The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
A comet's tail always points away from the sun.
2
Pluto is smaller than Russia.
9
It would take more than 150 years to drive a car to the sun.
569
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5