Flagstaff, Arizona - A guide tells visitors to the Lowell Observatory about the Pluto Telescope Dome.
Flagstaff, Arizona - A guide tells visitors to the Lowell Observatory about the Pluto Telescope Dome. Clyde Tombaugh used the building's 13-inch astrograph telescope to discover Pluto in 1930.
Size: 3840px × 5760px
Location: Flagstaff, Arizona USA
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No
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