What can make the air hotter than the surface of the sun?
Sunday, April 28, 2024
Make every day more interesting. Each day a surprising fact opens a world of fascinating information for you to explore. Did you know that….? 
| Original photo by Mike Lewinski/ Unsplash |
| Lightning can heat the air to 50,000° F — five times hotter than the surface of the sun. | "How hot is lightning?" is a bit of a trick question. Lightning itself doesn't have a temperature, because it's just the movement of electrical charges in the atmosphere. (You can think of it as one big spark of electricity that happens when positive and negative charges build up within a cloud, between clouds, or between a cloud and the ground.) But that doesn't stop lightning from heating up whatever it passes through — in this case, air. Air is a poor conductor of electricity, so it heats up tremendously when lightning strikes. In fact, lightning can heat the air to 50,000 degrees Fahrenheit, which is five times hotter than the surface of the sun.
Suffice to say that the air stays extremely hot near Venezuela's Lake Maracaibo, home of what's been dubbed the "everlasting lightning storm." Known locally as Relampago del Catatumbo, or the Lightning of Catatumbo (named for a nearby river that enters into the lake), the phenomenon has been recognized by the Guinness Book of World Records as involving the most lightning strikes (250) per square kilometer of any spot in the world. Ten-hour lightning storms occur some 150 times per annum, and lightning itself can be seen up to 300 nights every year.
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 | | Lightning never strikes the same spot twice. | | |
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| Lightning never strikes the same spot twice. |  |  |
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| __ experiences the most lightning of any U.S. state. |  |
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 | Numbers Don't Lie |
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 | | Speed, in miles per hour, of a lightning bolt | | 270,000 |
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| | | Lightning strikes per second across the world | | 44 |
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| | Times Virginia park ranger Roy Sullivan was struck by lightning, a world record | | 7 |
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| | | Width, in centimeters, of a lightning bolt | | 2–3 |
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 | People used to think that ringing church bells repelled lightning. |
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| There's a good reason why some church bells still have the words "fulgura frango" inscribed on them. The phrase, Latin for "I break up lightning," is evidence of a superstition dating back to the medieval era: that ringing church bells prevented lightning strikes. You might be able to guess how the superstition was proved to be just that — a great many bell-ringers were struck by lightning — but the belief persisted until the late 18th century. It's far from the only way people once tried to repel lightning, of course. Europeans used to plant Sempervivum tectorum, also called houseleek or hens and chicks, on the roofs of houses and churches in the belief that it somehow prevented lightning and fire. | | |
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posted by June Lesley at 5:02 AM
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