Author Topic: Plasma Rainstorms On The Sun  (Read 476 times)

hubag bohol

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Plasma Rainstorms On The Sun
« on: February 14, 2015, 09:33:15 AM »
The Sun has rainstorms with high winds that are surprisingly similar in some ways to the storms we experience here on Earth. But on the Sun, the rain is composed of plasma, ionized gas that falls from the corona to the surface at 200,000 kilometers (125,000 mi) per hour. The corona surrounds the Sun like an outer atmosphere. But when it rains from the corona, it truly pours. Each droplet is as large as Ireland, and there are thousands of droplets in a coronal rain shower.

Scientists have known about this plasma rain for about 40 years. But until they received detailed data from modern satellites and observatories, they couldn’t explain why it happened.

This is where the parallels to Earth-based weather become striking. Under the right conditions, the Sun’s clouds of dense, hot plasma will cool, condensing until they fall to the surface as coronal raindrops.

There’s also a process of rapid evaporation that forms clouds. But on the Sun, the powerful explosions of solar flares cause the evaporation. Telescopic images show that solar flares, radiation bursts on the surface of the Sun, precede solar rainstorms. Scientists believe that an unusually fast drop in temperature then causes coronal gas to morph into solar raindrops. -- http://listverse.com/

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