A single speck of dust is half way in size between a subatomic particle and the Earth.
15
There are approximately three chickens for every human on Earth.
13
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 earth is approx. 6,588,000,000,000,000,000 tons.
175
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The light hitting the earth right now is 30 thousand years old.
163
The United States has paved enough roads to circle the Earth over 150 times.
72
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15