Earth is the only planet in our solar system that's not named after a god or goddess.
17
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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 center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
There are more nerve cells in the human brain than there are stars in the Milky Way.
349