Celestial scenery, or, The Wonders of the planetary system displayed : illustrating the perfections of deity and a plurality of worlds (1845)
Dick, Thomas, 1774-1857, Parker, E. S., former owner. DSI, David H. DeVorkin Collection (Smithsonian Institution. Libraries) DSI · Philadelphia : Published by Edward C. Biddle · leaf 230
itude of the pyramid on both these occasions was 50 degrees.The following figure exhibits a view of this phenomenon as it isseen about the beginning of March, at seven oclock in theevening, when the twilight is ending, and the equinoctial pointin the horizon. A B represents the horizon; C JD the… … Various opinions have been entertained as to the cause ofthis phenomenon; but as it uniformly accompanies the sun,it has been generally ascribed to an atmosphere of immenseextent surrounding that luminary, and extending beyond theorbit of Mercury. According to this opinion, the zodiacallight is…
Astronomy
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