If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The light hitting the earth right now is 30 thousand years old.
163
The earth is approx. 6,588,000,000,000,000,000 tons.
175
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15