Document Detail


Sky color near the horizon during a total solar eclipse.
MedLine Citation:
PMID:  20155119     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A theory for the color of the sky near the horizon for an observer in the umbral region of a total solar eclipse is presented. The model uses a Rayleigh scattering atmosphere, and the light reaching the observer is a beam of singly scattered sunlight, which, in turn, has suffered depletion by scattering in its passage from outside the shadow region. The model predicts both the red color observed in the lowest 8 degrees of the sky for the total solar eclipse of 30 June 1973 and the enriched blue color of the sky at any elevation angle greater than the solar elevation angle. The model is also adapted to explain the reddening of the horizon sky observed during such times as when a dark cloud passes overhead or when the light from a large city is seen from the distance at night.
Authors:
S D Gedzelman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  14     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  1975 Dec 
Date Detail:
Created Date:  2010-02-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2831-7     Citation Subset:  -    
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