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If a Sunspot Appears One-Quarter as Bright as the Surrounding

Question 62

Multiple Choice

If a sunspot appears one-quarter as bright as the surrounding photosphere,and the average temperature of the photosphere is 5,800 K,what is the temperature of the gas in this sunspot?


A) 4,100 K
B) 4,500 K
C) 5,200 K
D) 5,500 K

Correct Answer:

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