Unformatted text preview: Stars exhibit random motions (like bees in a swarm) speed – 25-50 km/sec But the “swarm” also orbits the galactic center located much further away. Until 1920s, 2 rival theories about nature of light: wave vs particle . Quantum mechanics developed in 1920s resolved the apparent paradox: light is BOTH....
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This note was uploaded on 04/07/2008 for the course AST 301 taught by Professor Harvey during the Spring '07 term at University of Texas.
- Spring '07