I PERCEIVE on further consideration that my suggestion (NATURE, January 5, p. 8) of a spherical wave-front in place of a plane one to account for the discrepancy between the coefficient of ...

THE following proposition regarding the effects of refraction may be known, but I do not remember to have seen it stated. It is: “The course of a nearly horizontal ray of light in the lower part ...

Joseph Gubler, David Tytler, Differential Atmospheric Refraction and Limitations on theRelative Astrometric Accuracy of LargeTelescopes, Publications of the Astronomical Society of the Pacific, Vol.

But in air -- like Earth's atmosphere -- the speed of light is still 99.97% of what it is in vacuum. ... This subtle effect is as close to atmospheric refraction as you're going to get on Earth.

Applications Of Refraction Of Light In Daily Life. The peepholes in the doors, ... Rainbows are filmed when sunlight is refracted and reflected by water droplets in the atmosphere.

BISMARCK, N.D. (KFYR) - When it’s extremely cold and sunny, atmospheric optics can appear, including sun and moon dogs, halos, and light pillars. To create atmospheric optics we need two things ...