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Originally posted by cheesy
reply to post by violet
wow scary cloud..what the couse of that rainbow??
Ice crystals behave like jewels. Sunlight passing between their faces is refracted and reflected to send shafts of light in particular directions. Halos are the collective glints of millions of crystals.
Originally posted by TheMagus
1-that you should ignore those claiming this is a shadow of a cloud
are revealing their ignorance of optics, as it being 6:30 am, and the sun low in the sky, any shadows cast by "invisible" clouds would be higher than the cloud themselves.
I'm not so sure they are contrail shadows. If the Sun is low in the sky the contrails would have to be below the cirrus deck.
Originally posted by DAVID64
reply to post by TheMagus
1-You call every one else a liar, stupid, or ill informed and yet you offer no explanations yourself. 2-Are you just trolling the thread or do you have a solution?