A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 218
view. 492. A very important effect of refraction, as it relatesto astronomy, is, that it more or less affects the apparentplaces of all the heavenly bodies. As the light comingfrom them strikes the atmosphere obliquely, and passesdownward through it, it is refracted or bent toward theearth, or… … Let A, in the cut, represent the earth; B, the atmosphere; C C, the visible horizon ;and the exterior circle the apparent concave of the heavens. Now, as the light passesfrom the stars, and strikes the atmosphere, it is seen to curve downward, because itstrikes the atmosphere obliquely; and the air…
Astronomy
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