An introduction to astronomy : designed as a text book for the students of Yale College (1846)
Olmsted, Denison, 1791-1859, Yale College (1718-1887) · New York : Collins, Brother & Co. · leaf 101
ble for distinct vision.Hence its limits are, at the sametime, fixed at different distancesfrom the sun by different observers,according to their respective powersof vision. 2. Its aspects vary very much with the different seasons of theyear. About the first of October, in our climate, (Lat. 41°… … ZODIACAL LIGHT. 77 it becomes visible before the dawn of day, rising along north ofthe ecliptic, and terminating above the nebula of Cancer. Aboutthe middle of November, its vertex is in the constellation Leo.At this time no traces of it are seen in the V4^est after sunset, butabout the first of…
Astronomy
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