How To Use Tombaugh In A Sentence

America quickly embraced Pluto and Tombaugh as icons worthy of scientific superstardom, and the rest of the world quickly followed suit.
Pluto was discovered by Clyde Tombaugh in 1930
Ironically, Pluto is so itteh bitteh that it doesn't really affect Uranus or Neptune at all: Lowell was wrong on that count, which makes it even more amazing that Tombaugh found the darn thing.
Several years ago, shortly after Clyde Tombaugh died at the age of ninety, Pluto's planethood was thrown into question.
February of 2010 marks the 80th anniversary of the discovery of Pluto by American astronomer Clyde Tombaugh.

In 1930, a young astronomer named Clyde Tombaugh found Pluto.
Tombaugh's highly detailed powers of observation led him to discover Pluto in 1930.
In the meantime, I'm gonna take a moment of silence on Saturday to honor Tombaugh and his persistent blinking.
In 1930, astronomer Clyde Tombaugh discovered the dwarf planet Pluto while looking at photographs of the night sky.
American astronomer Clyde Tombaugh announces discovery of Pluto at Lowell Observatory.