Clyde Tombaugh Quotes
I thought I'd better check this third plate, which is another date, see if there's an image there in the right place that would be consistent with the images on the other plates. That was the final proof.
Citations
Tombaugh, Clyde. Interview. Academy of Achievement, American Academy of Achievement, 23 May 1991.
Related Quotes
Clyde William Tombaugh /ˈtɒmbaʊ/ was an American astronomer. He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered a planet, but was reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids, and called for the serious scientific research of unidentified flying objects.