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| Description: Four basic types of galaxies Spiral galaxy Arms extending from nucleus About 30 percent of all galaxies Large diameter up to 125,000 light years Contains both young and old stars e.g., Milky Way Picture Stats: Views: 278 Filesize: 2.1MB Height: 957 Width: 1191 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39669 |