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Pluto

2006 Pluto is demoted to a 'dwarf planet' 1999 Pluto again becomes outermost planet 1997 Clyde Tombaugh, astronomer, discovered Pluto in 1930, dies at 90 1996 1st surface photos of Pluto by Hubble Space Telescope 1979 Neptune becomes outermost planet (Pluto moves closer) 1978 James Christy's discovery of Pluto's moon Charon announced 1967 Pinto Colvig, animation voice (Goofy, Pluto), dies at 75 1944 Pipeline under ocean (Pluto) begins operating 1938 William H Pickering, astronomer (predicted Pluto), dies at 79 1930 Planet Pluto named 1930 Clyde Tombaugh announces discovery of Pluto at Lowell Observatory 1930 U.S. astronomer Clyde Tombaugh discovers Pluto 1930 Clyde Tombaugh photographs planet Pluto 1915 Pluto photographed for 1st time (although unknown at the time) 1906 Clyde William Tombaugh, U.S., astronomer, discovered Pluto 1892 Pinto Colvig, OR, animation voice, Goofy, Pluto 1855 Percival "Percy" Lowell, U.S. astronomer, predicted discovery of Pluto

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