Where Cold And Warm Air Meet, Our Atmosphere Churns With Energy. From The Turbulence Of Supercell Thunderclouds

Where Cold And Warm Air Meet, Our Atmosphere Churns With Energy. From The Turbulence Of Supercell Thunderclouds
Where Cold And Warm Air Meet, Our Atmosphere Churns With Energy. From The Turbulence Of Supercell Thunderclouds
Where Cold And Warm Air Meet, Our Atmosphere Churns With Energy. From The Turbulence Of Supercell Thunderclouds

Where cold and warm air meet, our atmosphere churns with energy. From the turbulence of supercell thunderclouds to the immense electrical discharge of lightning, there’s much that’s breathtaking about stormy skies. Photographer Dustin Farrell explores them, with a special emphasis on lightning, in his short film, “Transient 2″. 

As seen in high-speed video, lightning strikes begin with tree-like leaders that split and spread, searching out the path of least resistance. Once that line from cloud to ground is discovered, electrons flow along a plasma channel that arcs from sky to earth. The estimated temperatures in the core of this plasma reach 50,000 Kelvin, far hotter than the Sun’s surface. It’s this heating that generates the blue-white glow of a lightning bolt. The heating also expands the air nearby explosively, producing the shock wave we hear as a crash of thunder. (Images and video credit: D. Farrell et al.; via Colossal)

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⁣It was previously thought that lightning on Jupiter was similar to Earth, forming only in thunderstorms where water exists in all its phases – ice, liquid, and gas. But flashes observed at altitudes too cold for pure liquid water to exist told a different story. This illustration uses data obtained by the mission to show what these high-altitude electrical storms look like. ⁣

Understanding the inner workings of Jupiter allows us to develop theories about atmospheres on other planets and exoplanets! ⁣

Illustration Credit: NASA/JPL-Caltech/SwRI/MSSS/Gerald Eichstädt/Heidi N. Becker/Koji Kuramura⁣

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

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Planet: Jupiter
Planet: Jupiter
Planet: Jupiter
Planet: Jupiter
Planet: Jupiter
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Planet: Jupiter
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3 years ago
Big Dipper

Big Dipper

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