Subject
QUERY: Iridules
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Panayoti Kelaidis writes:
I and my family have observed iridules on several occasions in Colorado: they have usually been in the winter time, although my daughter pointed one out to me recently in early June. I am not sure they are a reflection of a rainbow at all, but in fact a distant, high altitude rainbow that occurs when light hits a cloud at just the right angle at a certain time of day (just as rainbows usually occur only in the afternoon or morning depending on direction of sun and rain). I think they may be a phenomenon more widespread in continental regions, or especially mountainous terrain.
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I and my family have observed iridules on several occasions in Colorado: they have usually been in the winter time, although my daughter pointed one out to me recently in early June. I am not sure they are a reflection of a rainbow at all, but in fact a distant, high altitude rainbow that occurs when light hits a cloud at just the right angle at a certain time of day (just as rainbows usually occur only in the afternoon or morning depending on direction of sun and rain). I think they may be a phenomenon more widespread in continental regions, or especially mountainous terrain.
Search archive with Google:
http://www.google.com/advanced_search?q=site:listserv.ucsb.edu&HL=en
Contact the Editors: mailto:nabokv-l@utk.edu,nabokv-l@holycross.edu
Visit Zembla: http://www.libraries.psu.edu/nabokov/zembla.htm
View Nabokv-L policies: http://web.utk.edu/~sblackwe/EDNote.htm
Visit "Nabokov Online Journal:" http://www.nabokovonline.com
Manage subscription options: http://listserv.ucsb.edu/