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Lack of green at twilight.

 
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Jan30-11, 12:40 PM   #1
 

Lack of green at twilight.


Why is no green color on the sky at twilight??
 
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Jan30-11, 01:47 PM   #2
 
Recognitions:
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Maybe you are not looking hard enough or maybe you are not looking at the right time at the right angle. I HAVE seen a horizontal trail of green, although this was at dusk, in the east sky. The stength of this green was not very strong, but it was recognizable.
 
Jan30-11, 02:35 PM   #3
 
Why is this intensity so low? In the rainbow the green's intensity is much greater.
 
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