How many asteroids did Clyde Tombaugh discover?
5
Countless
1
20
Answer
Countless asteroids were discovered by Clyde Tombaugh, an American astronomer best known for his discovery of the dwarf planet Pluto in 1930. Tombaugh systematically searched for Pluto using photographic plates taken at the Lowell Observatory in Flagstaff, Arizona, comparing them to identify any objects that had moved between exposures.
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