Astronomy for schools; upon the basis of Mons. Arago's lectures at the Royal observatory of Paris .. (1841)
Arago, F. (François), 1786-1853, Haskins, Roswell William, [from old catalog] ed · New York, Robinson, Pratt & co.; · leaf 258
themeridian. And at first, that we may commence with the cir-cumstances most easily explained, it is evident that ifthe light of the moon is less vivid at the horizon thanin the meridian it is because the luminous rays whichit sends to us have to traverse an atmospherick layer OP THE ATMOSPHERE,… … face of the earth; ABC D the earths atmosphere;H the moon in the horizon, I the same planet at agreater elevation, and K still the same planet, in themeridian of an observer placed upon the earth, at E.Here it is manifest that the rays from the moon, at H,pass through the greatest distance of…
Astronomy
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