American Heritage® Dictionary of the English Language, Fourth Edition
- Tombaugh, Clyde William 1906-1997. American astronomer who discovered Pluto (1930).
- n. United States astronomer who discovered the planet Pluto (1906-1997)
“When Turner finally heard the suggestion from Madan, he thought it such an excellent name that he sent a telegram to astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona, where the planet had been discovered.”
“This is a stained glass window in the Unitarian church in Las Cruces, New Mexico, which Clyde Tombaugh helped to found.”
“The most memorable thing about the show was its coverage of Clyde Tombaugh, the totally awesome pioneering astronomer who discovered Pluto in 1930.”
“The scientists verified what Tombaugh pointed out to them, and on March 13, 1930, they announced the discovery of a ninth planet.”
“Tombaugh grew up on a farm near Burdett, Kansas, and during his free time, he experimented with parts of old cars and farm machinery, eventually building his own telescope.”
“Tombaugh was honored by organizations throughout the world.”
“His friends have included Albert Einstein, Stephen Hawking, Clyde Tombaugh, and most of the Apollo, Gemini and Mercury astronauts, to name just a few.”
“Poor Tombaugh was directed to check the entire ecliptic to see if anything out there moved.”
“We've finally been able to catch up with Tombaugh by using computers and big digital cameras.”
“For me, Pluto will always have a special place in my heart thanks to a cold, January night in Flagstaff, Arizona, when a friend of a friend who happened to have the keys to the Lowell Observatory showed me the equipment that Clyde Tombaugh used to discover Pluto in 1930.”
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