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doit_the_clown doit_the_clown
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7 years ago
The reason that sunspots are cooler than the photosphere is that

(a)   their powerful magnetic fields inhibit the convective flow of the ionized gases of the photosphere.
(b)   they are holes in the photosphere that reveal the lower temperature gases in the deeper layers.
(c)   their powerful magnetic fields act upon the atoms of the photosphere to prevent them from emitting light.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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doit_the_clown Author
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7 years ago
This helped my grade so much Perfect
Lourd Jenkins
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Yesterday
Good timing, thanks!
bbbbbbbh
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2 hours ago
Helped a lot
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