Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 104
Fig. 22. — Refraction of light by theearths atmosphere. … fIG. 23. — The sun is apparently flattened by refraction when it is on the horizon. celestial body apparently rises before it is actually above thehorizon, and is visible until after it has really set. If thesun or moon is on the horizon, its bottom part is apparentlyraised more than its top part…
Astronomy
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