Question

does unscattered light refract in atmosphere??​

Answer 1

Explanation:

Atmospheric optics is "the study of the optical characteristics of the atmosphere or products of atmospheric processes .... [including] temporal and spatial resolutions beyond those discernible with the naked eye".[1] Meteorological optics is "that part of atmospheric optics concerned with the study of patterns observable with the naked eye".[2] Nevertheless, the two terms are sometimes used interchangeably.

Answer 2

Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation 

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