The Cosmic Spark: From Silent Strikes to Planetary Storms
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The Cosmic Spark: From Silent Strikes to Planetary Storms
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About this listen
Lightning is a powerful discharge of electrical energy occurring between charged ice particles within a storm cloud. This podcast explores how these strikes heat the air to 50,000 degrees Fahrenheit—five times hotter than the surface of the sun—causing a rapid expansion of air that creates the sonic shockwaves we hear as thunder. We investigate the phenomenon of "heat lightning," which is actually just distant lightning whose sound has been dissipated or refracted by the atmosphere before it can reach the observer. Beyond Earth, the show ventures to Jupiter and Saturn, where massive storms produce flashes with an optical energy of 109 Joules. Finally, we delve into the rare and mysterious ball lightning, which some theories suggest is formed by complex hydrodynamic vortex rings created by the very shockwaves thunder produces.