A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 271
Questions.—368. Where are nebulae abundant ? a. Herschels remark ? 36Sare nebulae classified? 370. Elliptic nebulae? a. The nebula in Andromeda. How 266 NEBULA form, two dark clefts appearing to divide it longitudinally ; while itslength, as viewed through this instrument by Prof. Bond, is 4°, and… … annttlar nebula in ltba.—1. Sir John Herschel ; 2. Lord Rosse. 371. Annular nebula are such as have the form of aring. These are very rare, the heavens affording only fourexamples. a. The most remarkable one is found in Lyra, situated betweenthe stars Beta and Gamma, and may be seen with a…
Astronomy
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