How To Use Clyde Tombaugh In A Sentence
- Pluto was discovered by Clyde Tombaugh in 1930
- 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.
- 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.
