From farm boy to cosmic pioneer: The life and legacy of Clyde Tombaugh. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When Clyde Tombaugh ...

“I sat on this book/Clyde W. Tombaugh/29 May 1987.” David tried to one-up him by signing, “It was my chair/David H. Levy/29 May 1987 TSP.” I added a final flourish of kookiness by ...

Reflecting on his career late in his life, Tombaugh often said: “I’ve really had a tour of the heavens.” In 1972, the Clyde W. Tombaugh Observatory on the New Mexico State University campus ...

Clyde Tombaugh didn't set out to discover Pluto when he sent his sketches of the night sky to Lowell Observatory in Flagstaff ...

It is a mere speck, an orbiting ball of ice far beyond the reach of warming solar rays. Just 1,420 miles across, it's smaller than our moon, and nearly imperceptible at an average of 3.6 billion ...

Astronomer Clyde W. Tombaugh discovered Pluto on Feb. 18, 1930, at the Lowell Observatory in Flagstaff, Arizona. It appears Pluto Day sprang up naturally as an informal anniversary holiday ...

Pluto was eventually discovered in 1930 by Clyde Tombaugh at the Lowell Observatory, based on predictions by Lowell and other astronomers. Pluto got its name from 11-year-old Venetia Burney of ...

Nearly seventy years after it was built by Clyde Tombaugh — the astronomer who discovered Pluto — the telescope has reached the end of its life and is no longer operational. “We’re really ...