The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
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 United States has paved enough roads to circle the Earth over 150 times.
72
There are approximately three chickens for every human on Earth.
13
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