Tuesday, July 20, 2010

'Ride The Lightning'...Spectacular #Lightning Over #Athens, #Greece {IMAGE}

{ Special Thanks to The Dude Dean... }

Originally from:  http://apod.nasa.gov/apod/ap100720.html 

Lightning Over Athens 
Credit & Copyright: Chris Kotsiopoulos

Explanation: Have you ever watched a lightning storm in awe? Join the crowd. Oddly, nobody knows exactly how lightning is produced. What is known is that charges slowly separate in some clouds causing rapid electrical discharges (lightning), but how electrical charges get separated in clouds remains a topic of much research. Lightning usually takes a jagged course, rapidly heating a thin column of air to about three times the surface temperature of the Sun. The resulting shockwave starts supersonically and decays into the loud sound known as thunder. Lightning bolts are common in clouds during rainstorms, and on average 6,000 lightning bolts occur between clouds and the Earth every minute. Pictured above, an active lightning storm was recorded over AthensGreece earlier this month.

Posted via email from cabezas

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