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Space weather: Fine, with a chance of solar flares

February 8, 2018 5:27 AM
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Space weather: Fine, with a chance of solar flares

A coronal hole, almost square in its shape, is one of the most noticeable features on the sun on May 5-7, 2014.

A coronal hole is an area where high-speed solar wind streams into space. It appears dark in extreme ultraviolet light as there is less material to emit in these wavelengths. Inside the coronal hole, you can see bright loops where the hot plasma outlines little pieces of the solar magnetic field sti...

Also read: A NASA observatory just saw a total solar eclipse ... in space!

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