A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
The light hitting the earth right now is 30 thousand years old.
163
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
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