Yerkes Observatory - On November 30, 1901, astronomer and telescope maker, George Willis Ritchey, observes the heavens through the double slide-plate holder attached to the Yerkes 40-inch Refractor Telescope. ✨🔠#YerkesObservatory #Astronomy #
Visual Observing With The 40-Inch Yerkes Refractor
Today's A Big Day': Wisconsin's Yerkes Observatory Has New Ownership | Wisconsin Public Radio
Legacy - Yerkes Observatory
Williams Bay trying to maintain Yerkes Observatory as education center
Discover Yerkes Observatory, largest refracting telescope - YouTube
New stewards for Yerkes Observatory offer expanded vision - Washington Times
Yerkes Observatory is closing its doors
Yerkes Observatory
Yerkes Telescopes FotografĂas e imágenes de stock - Getty Images
1897 Yerkes telescopio refractor de 40 pulgadas del Observatorio AstronĂłmico de la Universidad de Chicago Williams Bay, Wisconsin FotografĂa de stock - Alamy
Giant telescopes able to probe deeper into space
Wisconsin 101: Yerkes Telescope And The Birthplace Of Astrophysics - Wisconsin Life
Yerkes Telescope
Top Things to Do in Wisconsin - Yerkes Observatory
A Requiem for Yerkes Observatory - Cosmic Pursuits
Inside The Yerkes Observatory: U Of C's 'Cathedral Of Science' | WBEZ Chicago
Yerkes Observatory – Williams Bay, Wisconsin - Atlas Obscura
Yerkes Observatory aims for resurrection as school for astronomy
Yerkes Observatory: Restoring the World's Largest Refracting Telescope - Grainger KnowHow
Telescopio de 40 pulgadas de refracci n observatorio Yerkes en Williams Bay, Wisconsin FotografĂa de stock - Alamy
The Not-Quite Closing of Yerkes Observatory - Sky & Telescope - Sky & Telescope
Yerkes Observatory Buildings, Instruments, Equipment, Grounds : Photographic Archive : The University of Chicago
Yerkes Observatory | Williams Bay WI
