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 United States has paved enough roads to circle the Earth over 150 times.
72
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The light hitting the earth right now is 30 thousand years old.
163
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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