To within one year either way, in which year was Pluto discovered by Clyde Tombaugh?
Clyde Tombaugh Clyde Tombaugh Clyde William Tombaugh (; February 4, 1906January 17, 1997) 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 later controversially reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids. He also called for the serious scientific research of unidentified flying objects, or UFOs. Tombaugh was born in Streator, Illinois, son of Muron Dealvo Tombaugh, a farmer, and his wife Adella Pearl Chritton. After his family moved to
Clyde Tombaugh remembered, "though he's got to go one long, cold trip." The call eventually led to the launch of the "New Horizons" space probe to Pluto in 2006. Following the passage on July 14, 2015 of Pluto by the "New Horizons" spacecraft the "Cold Heart of Pluto" was named Tombaugh Regio. Tombaugh died on January 17, 1997, when he was in Las Cruces, New Mexico, at the age of 90. He was cremated. A small portion of his ashes was placed aboard the "New Horizons" spacecraft. The container includes the inscription: "Interred herein are remains of American Clyde W. Tombaugh, discoverer