The light hitting the earth right now is 30 thousand years old.
163
Earth is the only planet in our solar system that's not named after a god or goddess.
17
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
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
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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25