The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
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
Earth is the only planet in our solar system that's not named after a god or goddess.
17
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The earth is approx. 6,588,000,000,000,000,000 tons.
175
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
The United States has paved enough roads to circle the Earth over 150 times.
72