As the Sun rotates, an individual sunspot can be tracked across its face. From eastern towestern limb, this takes about:

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It takes about 2 weeks for an individual sunspot to be tracked across the face of the Sun from eastern to western limb, as the Sun rotates once every 27 days at its equator. According to the information given, it takes about 2 weeks for an individual sunspot to be tracked across the face of the rotating Sun from its eastern to western limb.

As the Sun Rotates, an Individual Sunspot Can Be Tracked