A large coronal hole has rotated its way into an Earth-affecting position. It is a dark region where the Sun's magnetic field is more open and emits high-speed solar wind. Auroras may be on tap for Earth as a result .
A large coronal hole has rotated its way into an Earth-affecting position. It is a dark region where the Sun's magnetic field is more open and emits high-speed solar wind. Auroras may be on tap for Earth as a result .
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