List, C, Hall, T. G. (Thomas Grainger), 1803-1881 · Philadelphia : Thomas Cowperthwait & Co. and Carey & Hart · leaf 131
laxy, may also be reckonedamong the constellations; for it is now known tobe a collection of fixed stars, too small to beobserved without telescopes of high magnifyingpower. Dr. Herschel observed five hundred andeighty-eight stars in the field of his telescope at thesame time, and they continued… … Herschels Telescope. THE FIXED STARS. 127 the labour and difficulty of adjusting its variousparts are considered. Its length was forty feet,and the breadth of the aperture four feet. Thefixed stars, when seen through it, have a bright-ness too great for the eye to bear. Dr. Herschelstates that when…
Astronomy
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