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The (Almost) Re-Opening of the Yerkes Observatory - Sky & Telescope - Sky & Telescope
Yerkes Observatory's mission: to stay open – Twin Cities
Yerkes Observatory « Observatories and Instruments
Telescope At Yerkes Observatory Photograph by Royal Astronomical Society/science Photo Library
Yerkes Observatory Lives On as the Largest Refractor Telescope Ever Built | Astromart
Wisconsin's Yerkes Observatory—stargazing through the world's largest refracting telescope
Yerkes Observatory – Williams Bay, Wisconsin - Atlas Obscura
Yerkes Future Foundation has big plans for Yerkes Observatory - Chicago Sun-Times
Yerkes Observatory aims for resurrection as school for astronomy – Chicago Tribune
Astronomy in the 1900s – Wisconsin 101 Our History in Objects – UW–Madison
Yerkes 40-inch Refractor Telescope Photograph by Yerkes Observatory, University Of Chicago, Courtesy Emilio Segre Visual Archives/american Institute Of Physics
Yerkes Telescope 1897
Yerkes Observatory – Williams Bay, Wisconsin - Atlas Obscura
Today's A Big Day': Wisconsin's Yerkes Observatory Has New Ownership | Wisconsin Public Radio
Telescope At Yerkes Observatory Wisconsin 19th Century Stock Illustration - Download Image Now - iStock
An end of an era at Yerkes Observatory
History of Yerkes | Yerkes Observatory
Wisconsin's Yerkes Observatory—stargazing through the world's largest refracting telescope
China Is Building The World's Largest Refractor Telescope To Search For Near-Earth Asteroids
Yerkes Observatory - Wikipedia
A Tour of the Famed Yerkes Observatory | Amateur Astronomers Association of Princeton
Closed for months, historic space observatory once again has a bright future after U. of C. donation - Chicago Tribune
27 Yerkes ideas | observatory, williams bay, telescopes