Free saturday tours

May 31, 2014 to May 31, 2014
10:00 AM
Yerkes observatory 373 w geneva st williams bay, wisconsin 53191


Cost: Donation Yerkes Observatory is open for free public tours every Saturday throughout the year. Programs begin at 10:00 a.m., 11:00 a.m., and Noon. We don't take reservations. While there is no charge, we appreciate a suggested donation of five dollars per person. If there are more than fifteen in your group, please consider making arrangements for a private program at some other time. If you wish to do so, please call 262 245-5555, extension 880. During the tours, the guide provides a brief talk on the history of Yerkes, astronomical research, and our amazing Universe. He will also take visitors into the 90-foot dome, one of the largest of its kind ever built. Here, visitors look at the famed 40-inch Refractor, the world's biggest lens-type telescope, and its impressive 73-foot diameter elevator floor. Note that the dome interior is unheated, and during late fall and winter temperatures inside are as chilly as outdoors. Please dress appropriately.


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