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If Sunspots Are Cooler Than the Photosphere (By as Much

Question 120
Multiple Choice
arrowQuestion 120arrow
Multiple Choice

If sunspots are cooler than the photosphere (by as much as 1500 K), what would be the peak wavelength in a sunspot spectrum compared with the peak wavelength of the photospheric spectrum?

A) shorter
B) either shorter or longer, depending on the magnetic field strength in the sunspot
C) same because the chemical composition is the same (hydrogen and helium)
D) longer

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