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| Description: Shows the relation between stellar Brightness (absolute magnitude) and Temperature Diagram is made by plotting (graphing) each star’s Luminosity (brightness) and Temperature Parts of an H-R diagram Main-sequence stars 90 percent of all stars Band through the center of the H-R diagram Sun is in the main-sequence Giants (or red giants) Very luminous Large Upper-right on the H-R diagram Parts of an H-R diagram Giants (or red giants) Very large giants are called supergiants Only a few percent of all stars White dwarfs Fainter than main-sequence stars Small (approximate the size of Earth) Lower-central area on the H-R diagram Not all are white in color Perhaps 10 percent of all stars Picture Stats: Views: 279 Filesize: 515.98kB Height: 911 Width: 1273 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39665 |