This photo was taken September 1990 in Flagstaff, Arizona during a chance meeting between Doug Hollis and myself (David Weir), and with Clyde Tombaugh and his wife Patricia. They happened to be visiting the observatory, from which Clyde discovered the ninth The term "planet" originally comes from the Greek word for "wanderer" since these objects were seen to move in the sky independently from the background of fixed stars that moved together through the seasons. The IAU last defined the term planet in 2006, however the new definition has remained controversial. Pluto, to make their first stroll together down the newly constructed Pluto Walk. The photo was shared with Clyde and received his signature in May 1992.
Congratulations Clyde Tombaugh on your historic visit to Pluto!
NASA’s New Horizons spacecraft captured the above high-resolution enhanced color images of Pluto and Charon on July 14, 2015. The Pluto and Charon images resolve details as small as 0.8 miles and 1.8 miles, respectively. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute.