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Giant Walls of Plasma Seen on Sun

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Author Topic: Giant Walls of Plasma Seen on Sun  (Read 28 times)
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« on: November 19, 2011, 07:04:00 pm »

Solar Closeup

Drawing courtesy Roel Weijenberg

This pastel drawing of the sun, created by Roel Weijenberg as he looked through his telescope November 14, depicts both a solar prominence and a solar filament.

If energetic enough, solar prominences and filaments can erupt, or be ejected into space, NASA's Gurman explained.

When this happens—about once every few days somewhere on the sun—the loops of gas quickly cool and then dissipate until they are no longer visible.

But when these eruptions are directed toward Earth, they can lead to power outages.

(See "Giant Sunspot Now Aimed Directly at Earth.")

Published November 17, 2011
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