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| Description: (b) After melting, spinning, and cooling, the mirror’s parabolic surface is ready for final smoothing and coating with a highly reflective material. (University of Arizona, Steward Observatory.) Picture Stats: Views: 662 Filesize: 313.85kB Height: 900 Width: 1324 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=15896 |