Below you can find the Astronomer clyde tombaugh discovered it in 1930; it was reclassified a dwarf planet in 2006 Jeopardy Words Answer. The answer to Astronomer clyde tombaugh discovered it in 1930; it was reclassified a dwarf planet in 2006 has 5 letters. This clue belongs to the The planets category and is part of Jeopardy Word Level 1789. If you scroll near the bottom you will find other clues and answers part of level 1789