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Clyde Tombaugh

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description Clyde Tombaugh Overview

Clyde Tombaugh was an American astronomer whose meticulous work led to the discovery of Pluto in 1930. Utilizing photographic comparison charts at Lowell Observatory, he identified a subtle planetary movement indicating its existence. This discovery significantly advanced our understanding of the solar system’s outer reaches and remains a landmark achievement in astronomical observation. His research is particularly relevant for astronomers and students studying planetary science and the history of space exploration.

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How did Clyde Tombaugh discover Pluto?

Tombaugh discovered Pluto in 1930 by using a device called a blink comparator at the Lowell Observatory in Flagstaff, Arizona. This allowed him to rapidly switch back and forth between photographic plates of the night sky taken days apart, revealing Pluto's shift in position.

Was Clyde Tombaugh a professional astronomer when he discovered Pluto?

Surprisingly, Tombaugh was only 24 years old and working as a farmhand when he was hired by the Lowell Observatory. He had impressed the observatory's directors by sending them highly detailed drawings of Mars based on observations from his own homemade telescope.

Did Clyde Tombaugh discover anything else in space?

In addition to Pluto, Tombaugh discovered hundreds of new asteroids during his systematic sky surveys. He also cataloged numerous star clusters and galaxies throughout his extensive astronomical career.

Are any space missions named after Clyde Tombaugh?

Yes, a small container of Pluto discoverer Clyde Tombaugh's ashes were placed aboard NASA's New Horizons spacecraft. New Horizons famously conducted the first-ever close flyby of Pluto in July 2015.