Multiple Choice
A patch on the surface of the photosphere becomes about 1,300°C to 2,700°C (800°F to 1,700°F) cooler than brighter regions of the photosphere. These patches are known as ____________ because their lower temperatures make them look darker than the surrounding regions.
A) solar flares
B) solar cycles
C) sunspots
D) solar prominence
Correct Answer:
Verified
Correct Answer:
Verified
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