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| Description: Solar Granulation (a) High-resolution photographs of the Sun’s surface reveal a blotchy pattern, called granulation. Granules, which measure about 1000 km across, are convection cells in the Sun’s photosphere. Inset: Gas rising upward produces the bright granules. Cooler gas sinks downward along the darker, cooler boundaries between granules. This convective motion transports energy from the Sun’s interior outward to the solar atmosphere. Picture Stats: Views: 563 Filesize: 266.32kB Height: 900 Width: 1087 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18345 |