The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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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.
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The United States has paved enough roads to circle the Earth over 150 times.
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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.
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According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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