More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The light hitting the earth right now is 30 thousand years old.
163
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
There are approximately three chickens for every human on Earth.
13
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
The earth is approx. 6,588,000,000,000,000,000 tons.
175
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46