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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, 07:02:27 pm »

Solar Portrait

Image courtesy Mike Borman

This composite image, taken by Indiana-based solar observer Mike Borman November 13, shows both the full disk of the sun as well as prominences at its edges.

The circular blemishes on the solar surface are sunspots, regions of intense magnetic activity. Each sunspot in this photograph is about 31,000 miles (50,000 kilometers) across—or the width of four Earths, NASA's Gurman said.

(See the first 3-D pictures of the sun.)

Published November 17, 2011
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