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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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Blue star kachina and comet ISON explained using Cherenkov radiation
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Poster Handle
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Anonymous Coward |
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Post Content
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According to Bruce Gary, ISON's inner-most comma is red, but is surrounded by gas molecules that re-emit sunlight at short wavelengths. The coma is green due to molecular emission while the tail remains reddish... The inner-most coma is reddish! ... The rest of the coma is dominated by gas molecules that are not pushed back by sunlight, but instead absorb sunlight and re-emit in an excited state at short wavelengths (e.g., B, g' and V-bands). [ link to brucegary.net] And the following is a photo of ISON that clearly shows it is a red comet surrounded by a green/bluish halo: [ link to brucegary.net] The only difference between OP's observation and Bruce Gary's observation is that the OP believes the blue/green halo is due to Cherenkov radiation and not by "gas molecules that absorb sunlight and re-emit it in an excited state at short wavelengths (e.g., B, g' and V-bands)."
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