Flagstaff, Arizona - A guide tells visitors to the Lowell Observatory about the 13-inch astrograph in the Pluto Telescope Dome.

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Flagstaff, Arizona - A guide tells visitors to the Lowell Observatory about the 13-inch astrograph telescope in the Pluto Telescope Dome. Clyde Tombaugh used the astrograph to discover Pluto in 1930.

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Size: 2932px × 4397px
Location: Flagstaff, Arizona USA
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, arizona, astrograph, astronomy, clyde, discovery, dome, education, flagstaff, guide, hill, lowell, mars, observatory, photography, pluto, public, science, southwest, states, telescope, tombaugh, tourism, travel, united, usa, vertical