Sunspots Are Cooler Than the Rest of the Sun's Surface

question 115

Multiple Choice

Sunspots are cooler than the rest of the Sun's surface, sometimes by as much as 1500 K. What would be the peak wavelength of the radiation from the sunspot compared with that from the rest of the Sun?

• A) The peak wavelength of the radiation from the sunspot would be longer than that from the rest of the Sun.
• B) The peak wavelength of the radiation from the sunspot would be the same because the light still originates at the Sun.
• C) The peak wavelength of the radiation from the sunspot would be shorter or longer than that from the rest of the Sun, depending on the position and motion of the spot.
• D) The peak wavelength of the radiation from the sunspot would be shorter than that from the rest of the Sun.

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