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
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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 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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
