Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 56
a drawing made by Sir John Herschel. Itcovers an area of the heavens equal to fi\Te times that cov-ered by the full moon. Sir John Herschel studied it withan 18-inch reflector, but was unable to discover any indica-tion of its being resolvable into stars. Tebulae are not distributed uniformly over… … Fig. 21. Nebula in Argils. As a general rule, they increase in number as we recedefrom the milky way, being most numerous near the polesof the great circle which marks the general direction ofthat belt. Colors and Varying Brightness of Stars. 38. The color of a great majority of the stars is…
Astronomy
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