The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
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.
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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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
There are approximately three chickens for every human on Earth.
13