Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
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
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15