A short course in astronomy and the use of the globes (1871)
Kiddle, Henry, 1824-1891 · New York, Chicago, Ivison, Blakeman, Taylor & co. · leaf 166
ELLIPTIC NEBULA IN AT-DKCCffEDA. … annular nebula in LTKA.—1. Sir John Herschel; 2. Lord Bocse. flat oval ring, the opening occupying somewhat more than one-halfof the diameter. The central portion, when viewed through apowerful telescope, is not altogether dark, but is crossed with faint 265. What are elliptic nebulae ? Examples ?…
Astronomy
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