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| Description: Trapping of Light by a Black Hole (a) The paths and colors of light rays departing from a main-sequence, giant, or supergiant star are affected very little by the star’s gravitational force. (b) Light leaving the vicinity of a white dwarf curves and redshifts more, whereas (c) near a neutron star, some of the photons actually return to the star’s surface. (d) Inside a black hole, all light remains trapped. Most photons curve back in, except those that fly straight upward, which become infinitely redshifted, thereby disappearing. Picture Stats: Views: 768 Filesize: 236.56kB Height: 900 Width: 1034 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18684 |