A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 159
tward, and 70° east of the sun at the sametime. 324. The form of this substance surrounding the sun,and which is sufficiently dense to reflect his light to the 322. What is the zodiacal li^ht ? Its form ? When seen ? 323. Nature of this light ? Former opinion ? Prof. Nichols remark ( Dr.Herschers ?… … earth, seems to be that of a lens ; or rather that of ahuge wheel, thickest at the center, and thinned downto an edge at the outer extremities. Its being seenedgewise, and only one-halfat a time, gives it the ap-pearance of two pyramidswith their bases joined atthe sun. It is an interest-ing fact,…
Astronomy
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