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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
There are approximately three chickens for every human on Earth.
13
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85