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 United States has paved enough roads to circle the Earth over 150 times.
72
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The light hitting the earth right now is 30 thousand years old.
163
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46