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
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
The United States has paved enough roads to circle the Earth over 150 times.
72
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The earth is approx. 6,588,000,000,000,000,000 tons.
175