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staedtler staedtler
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6 years ago
The umbra of a sunspot is about 1500 K cooler than the surrounding solar photosphere. How will the light from the umbra compare to the light from the rest of the photosphere?
A)   Both will emit light of the same color and the same intensity (per square meter) because they are both in the photosphere.
B)   The light from the umbra will be bluer.
C)   The light from both will be the same color, but the umbra will emit less light per square meter.
D)   The light from the umbra will be redder.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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