Carl Sagan By brendalove171 Jan 5, 1950 Sagan started working as an advisor for NASA He started working as an advisor Jun 10, 1962 Mariner 2 confired Sagan's views that venus was dry and very hot Nov 17, 1966 1st achieved national attention with his book "intelligent life in the universe" Jul 24, 1967 Wrote article on the potential of life on the planets for national geographics Oct 11, 1967 Sagan and Pollack solved mystery about the seasonal "wave or darkening" on mars Aug 18, 1968 Named director of Cornell's laboratory for planetary studies Apr 2, 1972 became associate director of the center for the radio physics and space research at cornell Nov 16, 1974 Arecibo message sent to space was helped by sagan to launch Aug 27, 1975 Sagan decided to test the capacity of television to bring science to a mass audience Jan 31, 1976 Sagan became a founding member of the committee for the scientific investigation of claims of the paranormal May 15, 1980 television series Cosmos: a personal voyage aired Jun 11, 1983 Sagan introduced the idea of "Nuclear Winter" Jul 18, 1983 Sagan participated in an extensive scientific study of the atmosphere consequences of nuclear war Dec 20, 1996 Sagan died of a rare bone marrow disease
