Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 356
Fig. 368. into clusters may be seen,naked eye, sometimes asStars, or Pleiades, but more commonly as patches of dif-fused light, the stars being too small to be seen separately.The number visible in powerful telescopes is, however, much ASTRONOMY. 329 … Fig. 369. 330 ASTRONOMY. greater. Sometimes hundreds or even thousands of starsare visible in the field of view at once, and sometimes thenumber is so great that they cannot be counted. 328. Nebula. — Another class of objects which are foundin the celestial spaces are irregular masses of soft,…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
