University of Utah's Paul Ricketts on International Dark Sky Week By Chris Cherniak, Nell Larson Published April 26, 2022 at 12:46 PM MDT Listen • 23:00 In celebration of International Dark Sky Week, Paul Ricketts, director of University of Utah's South Physics Observatory, will come on to speak about Utah's upcoming Dark Sky Week events, including telescope workshops and a Star party. Tune into This Green Earth every Tuesday at 9am here on KPCW Park City.