Add to ORKGThis is the 13-inch telescope that Clyde Tombaugh used to discover the planet Pluto, while called a telescope it is technically an astrograph; an astrograph is a telescope designed to take photographs of space. The telescope has been renamed Pluto Discovery Telescope and underwent renovation in 2017. Photograph taken circa 1935
Pluto was discovered in 1930 by Clyde Tombaugh and accepted as Solar Systems ninth planet. In the In...
29-32The NASA space probe New Horizons that flew past Pluto recently revealed several features about...
Photograph of the interior view of the observatory that houses the 60-inch reflecting telescope at M...
Clyde Tombaugh stands with his 9-inch reflector telescope that he designed and built. Clyde built th...
13-inch wide field imaging telescope at the Lowell Observatory. Clyde Tombaugh used this type of tel...
Photo shows Clyde Tombaugh and a 24-inch Cassegrain telescope on Magdalena Peak in Southern New Mexi...
Home of the Clark Telescope, the Lowell Observatory's mission is to pursue the study of astronomy, e...
This lithograph shows the clearest view yet of the distant planet Pluto and its moon, Charon, as rev...
Clyde Tombaugh standing on the platform of his 16-inch telescope. Tombaugh designed and constructed ...
Clyde Tombaugh at the blink-microscope comparator. This device was used to show two photographs rapi...
Examining the work of several renowned astronomers—including NASA's Alan Stern, Minor Planet Center ...
Clyde Tombaugh holds the door open to the 13-inch telescope dome at the Lowell Observatory in Flagst...
Clyde Tombaugh is looking through a 6-inch telescope at the University of Kansas
Portrait of Percival Lowell who was the founder of the Lowell Observatory in Flagstaff, Arizona. Mr....
Pictured is Clyde Tombaugh at the Fecker telescope. The telescope was designed by Tombaugh and other...
Pluto was discovered in 1930 by Clyde Tombaugh and accepted as Solar Systems ninth planet. In the In...
29-32The NASA space probe New Horizons that flew past Pluto recently revealed several features about...
Photograph of the interior view of the observatory that houses the 60-inch reflecting telescope at M...
Clyde Tombaugh stands with his 9-inch reflector telescope that he designed and built. Clyde built th...
13-inch wide field imaging telescope at the Lowell Observatory. Clyde Tombaugh used this type of tel...
Photo shows Clyde Tombaugh and a 24-inch Cassegrain telescope on Magdalena Peak in Southern New Mexi...
Home of the Clark Telescope, the Lowell Observatory's mission is to pursue the study of astronomy, e...
This lithograph shows the clearest view yet of the distant planet Pluto and its moon, Charon, as rev...
Clyde Tombaugh standing on the platform of his 16-inch telescope. Tombaugh designed and constructed ...
Clyde Tombaugh at the blink-microscope comparator. This device was used to show two photographs rapi...
Examining the work of several renowned astronomers—including NASA's Alan Stern, Minor Planet Center ...
Clyde Tombaugh holds the door open to the 13-inch telescope dome at the Lowell Observatory in Flagst...
Clyde Tombaugh is looking through a 6-inch telescope at the University of Kansas
Portrait of Percival Lowell who was the founder of the Lowell Observatory in Flagstaff, Arizona. Mr....
Pictured is Clyde Tombaugh at the Fecker telescope. The telescope was designed by Tombaugh and other...
Pluto was discovered in 1930 by Clyde Tombaugh and accepted as Solar Systems ninth planet. In the In...
29-32The NASA space probe New Horizons that flew past Pluto recently revealed several features about...
Photograph of the interior view of the observatory that houses the 60-inch reflecting telescope at M...