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Topic: Clyde Tombaugh

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Clyde William Tombaugh (February 4, 1906 - January 17, 1997) was an American astronomer who discovered the planet Pluto in 1930.
Tombaugh's discovery involved painstaking use of a blink comparator - a device which allows someone to compare two similar photographs by placing them in the viewer's field of vision, and then letting the user switch back and forth - blink - between the two.
Tombaugh was employed at the Lowell Observatory from 1929 to 1945.
wikiwhat.com /encyclopedia/c/cl/clyde_tombaugh.html   (267 words)

 HighBeam Encyclopedia - Tombaugh, Clyde W.   (Site not responding. Last check: 2007-10-22)
Streator, Ill. Although lacking formal training or a college degree, he was hired in 1929 as an assistant by the Lowell Observatory to continue the search for a planet beyond Neptune, which had been initiated by Percival Lowell.
Tombaugh used a blink microscope to compare photographs of a small part of the night sky and detect the planet.
Tombaugh received a scholarship from the Univ. of Kansas, where he obtained his bachelor's (1936) and master's (1939) degrees.
www.encyclopedia.com /html/T/Tombaugh.asp   (355 words)

 Clyde W. Tombaugh
Streator, Ill. Although lacking formal training or a college degree, he was hired in 1929 as an assistant by the
Pluto, in astronomy - Pluto, in astronomy, the 9th and most distant known planet from the sun, with an elliptical orbit...
Discovering the edge of the solar system; recent discoveries suggest that planets larger than Pluto may exist in the outer reaches......
www.infoplease.com /id/A0849003   (279 words)

 Clyde Tombaugh Quotes
They always encouraged me and, of course, the day came when I left to go to Arizona, they realized that I was going to do what I really wanted to do: become an astronomer.
They want to talk to me. I gave a series of lectures for four years, traveling over the United States and Canada to raise money for Tombaugh scholarship for post-docs in astronomy here at New Mexico State University.
We raised close to half a million dollars.
www.brainyquote.com /quotes/authors/c/clyde_tombaugh.html   (2104 words)

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