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 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 United States has paved enough roads to circle the Earth over 150 times.
72
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The earth is approx. 6,588,000,000,000,000,000 tons.
175
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25