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| Description: Analogy for Cepheid Variability (b) When the pressure inside the pot is sufficient, it lifts the lid off (expands the star’s outer layers) and thereby allows some of the energy inside to escape. This process cycles (two cycles are shown here), as do the luminosity and temperature of Cepheid stars Picture Stats: Views: 652 Filesize: 373.66kB Height: 898 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18432 |