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 earth is approx. 6,588,000,000,000,000,000 tons.
175
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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