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 earth is approx. 6,588,000,000,000,000,000 tons.
175
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 Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
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
The light hitting the earth right now is 30 thousand years old.
163
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