Why is the umbra cooler than the photosphere? a. The center region of a sunspot has a

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Why is the umbra cooler than the photosphere?

a. The center region of a sunspot has a less intense magnetic flux field.

b. Intense magnetic fields prevent hot plasma from surfacing.

c. The penumbra absorbs all of the heat leaving the umbra cooler.

d. All of these answers are correct.

Related Book For answer-question

Modern Classical Physics Optics Fluids Plasmas Elasticity Relativity And Statistical Physics

ISBN: 9780691159027

1st Edition

Authors: Kip S. Thorne, Roger D. Blandford

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Posted Date: Dec 29, 2023 02:48 PM

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Why is the umbra cooler than the photosphere? a. The center region of a sunspot has a

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Modern Classical Physics Optics Fluids Plasmas Elasticity Relativity And Statistical Physics

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