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| Description: Stars and the Interstellar Medium (a) This open cluster, called the Pleiades, can easily be seen with the naked eye in the constellation Taurus (the Bull). Pleiades lies about 440 ly (134 pc) from Earth. The stars are not shedding mass, unlike the stars in Figures 12-15a and 12-23. The blue glow surrounding the stars of the Pleiades is a reflection nebula created as some of the stars’ radiation scatters off preexisting dust grains in their vicinity. Picture Stats: Views: 719 Filesize: 279.68kB Height: 900 Width: 900 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18401 |