Solar Flares: Solar Sigmoids Explained
Sunday, April 19, 2009 - 20:28
in Astronomy & Space
'Sigmoids' are S-shaped structures found in the outer atmosphere of the Sun (the corona), seen with X-ray telescopes and thought to be a crucial part of explosive events like solar flares. Now a group of astronomers have developed the first model to reproduce and explain the nature of the different stages of a sigmoid's life.
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