The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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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.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The United States has paved enough roads to circle the Earth over 150 times.
72
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
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11