A short course in astronomy and the use of the globes (1871)
Kiddle, Henry, 1824-1891 · New York, Chicago, Ivison, Blakeman, Taylor & co. · leaf 162
Collections of starsvisible as such tothe naked eye, al-though considera-bly crowded, arecalled Star-groups.Such are the Ple-iades, the Ilf/ades,and the groupwhich constitutesthe constellationBerenices Hair. Among star-clusters, a very small number are suffi-ciently bright to be distinguished by… … cixster in hercui.es.—Sir J. Herschel. 260. What are star clusters ? Star groups ? Example ? 160 TEE STARS. cules. On a very clear night, it is visible to the naked eye as asmall nebulous spot or faint star. In the telescope its appearanceis considerably changed by several outlying branches, while…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
