Dark coronal hole at the bottom of the Sun
SUN: A large, dark coronal hole at the bottom of the sun appeared during the week of Nov. 30 - Dec. 4, 2014.
A large, dark coronal hole at the bottom of the sun appeared during the week of Nov. 30 - Dec. 4, 2014. Dark Coronal Hole at the bottom of the Sun. These holes represent areas where the sun’s magnetic field opens and high-speed solar winds stream into space.
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