Clyde Tombaugh was only twenty-four years old when he discovered Pluto.
Source: tatoeba (3958926)
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8 total sentences available.
Clyde Tombaugh was only twenty-four years old when he discovered Pluto.
Source: tatoeba (3958926)
Clyde Tombaugh was born on a farm in Illinois. His father was a farmer.
Source: tatoeba (3958927)
Clyde Tombaugh photographed 65% of the sky and spent thousands of hours examining photographs of the night sky.
Source: tatoeba (3958947)
After ten months of very hard work, sometimes working through the night in an unheated dome, Clyde Tombaugh discovered an object he named Pluto.
Source: tatoeba (3958949)
Showing 4 of 8 available sentences.