If two pieces of metal touch in space, they become permanently stuck together.
808
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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
The light hitting the earth right now is 30 thousand years old.
163
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
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18