It 'snows' metal on Venus.
13
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
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
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
Sound doesn't travel in space.
255