the change in the apparent altitude of a distant point on or near the earth’s surface, as the top of a mountain, arising from the passage of light from it to the eye through atmospheric strata of varying density.See also: Refraction
the change in the apparent altitude of a distant point on or near the earth’s surface, as the top of a mountain, arising from the passage of light from it to the eye through atmospheric strata of varying density.See also: Refraction