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| Description: Limb Darkening The Sun’s edge, or limb, appears distinctly darker and more orange than does its center, as seen from Earth (see Figure 10-1). This occurs because we look through the same amount of solar atmosphere at all places. As a consequence, we see higher in the Sun’s photosphere near its limb than when we look at its central regions. The higher photosphere is cooler and, because it is a blackbody, darker and more orange than the lower, hotter region of the photosphere Picture Stats: Views: 539 Filesize: 227.74kB Height: 900 Width: 1184 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18344 |