Yerkes Observatory

Yerkes Observatory

Yerkes Observatory
Trans-Neptunian Planet (Pluto) 1
II: Buildings and Grounds
The new trans-Neptunian planet (image enlarged 30 times) discovered by Lowell Observatory, January 1930, and was named Pluto in March of that year. At right, the star Delta Geminorum (halo caused by reflection off the plate). Photographed by George Van Biesbroeck at Yerkes Observatory with the 24-inch reflector telescope.
Pluto (Planet) | Delta Geminorum | Reflecting telescopes | Lowell Observatory | Astronomical photography
Photographic prints; 18.5 x 23.5 cm
Archival Photographic Files
University of Chicago Library, Special Collections Research Center

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