The Corona The corona of the Sun is a layer of very low density and very high temperature. How is it that the corona, the outermost layer of the Sun, could be the hottest? There are some theories . From regions in the solar atmosphere called coronal holes , the Sun sends the solar wind out into the solar system. The corona is the most of variable layer of the solar atmosphere, changing its general shape from solar minimum the solar maximum.
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Carpe Caelum Stellar Astronomy
Carpe Caelum Stellar Astronomy
Carpe Caelum Stellar Astronomy