Olmsted, Denison, 1791-1859. [from old catalog] · New York, R. B. Collins · leaf 90
e the leading factsrespecting it. 1. Its form is that of a luminous pyramid, having itsbase towards the sun. It reaches to an immense dis-tance from the sun, sometimes even beyond the orbit ofthe earth. It is brighter in the parts nearer the sun thanin those that are more remote, and terminates in… … tances from the sun by different observers, according totheir respective powers of vision. 2. Its aspects vary very much with the different seasonsof the year. About the first of October, in our climate(Lat. 41° 18) it becomes visible before the dawn of day.rising along north of the ecliptic, and…
Astronomy
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