Video encyclopedia

04/02/1906 American astronomer Clyde Tombaugh is born


Reflections on Clyde Tombaugh


The Man, Clyde Tombaugh


The Pluto Blink Comparator at Lowell Observatory | Clyde Tombaugh | Flagstaff, Arizona Full HD Video

He is known for the discovery of Pluto, in his time considered a ninth planet of the solar system and later reclassified as a dwarf planet. Pluto was the first object of the Kuiper belt known to science. Tombaugh also discovered many asteroids. He also called for the serious scientific research of unidentified flying objects, or UFOs.
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    • Essentials 

    • Personal 

    • Death 

    • Religion 

    • Family 

    • Discovery of Pluto 

    • Further search 

    • Asteroids discovered 

    • Interest in UFOs 

    • Near-Earth satellite search 

    • In popular culture