How To Use Clyde tombaugh In A Sentence

• Pluto was discovered by Clyde Tombaugh in 1930
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• Several years ago, shortly after Clyde Tombaugh died at the age of ninety, Pluto's planethood was thrown into question.
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• February of 2010 marks the 80th anniversary of the discovery of Pluto by American astronomer Clyde Tombaugh.
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• In 1930, a young astronomer named Clyde Tombaugh found Pluto.
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• In 1930, astronomer Clyde Tombaugh discovered the dwarf planet Pluto while looking at photographs of the night sky.
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