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doit_the_clown doit_the_clown
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7 years ago
Neptune's predominantly blue appearance is caused by
A)   preferential scattering away from the planet of the blue end of the solar spectrum, in a similar process to that operating in the Earth's atmosphere.
B)   auroral emissions caused by solar wind particles exciting the atoms and molecules in Neptune's high atmosphere.
C)   the fact that solar light has lost much of its red light by scattering in the interplanetary medium at the distance of Neptune.
D)   absorption of the red end of the spectrum of reflected sunlight by the methane in its atmosphere.
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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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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
Good timing, thanks!
alpheratz
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Yesterday
Correct Slight Smile TY
Butwhy
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2 hours ago
Thanks for your help!!
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