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This weekend brings a Goss Grove block party, a Mt. Sanitas trail hike, women’s soccer, volunteer opportunities, several campus talks, the Grammy-winning Takács Quartet and more.

  3:35–4:25 p.m.   Engineering Center, ECCR 200
Are you interested in mathematics? Xudong Chen is giving a talk on “Structure Theory for Nonholonomic Ensemble Systems.” Join in person, or dial in . 

  5:30–8:30 p.m.   Goss and 19th streets
Goss Grove is throwing a party! Join the neighborhood for games and free food from local favorites Illegal Pete’s and Sweet Cow.

Laser Stranger Things

  8:30 p.m.    Fiske Planetarium 
Take a trip to the Upside Down with Laser Stranger Things! The light show has mesmerizing colors and a Stranger Things playlist. 

Saturday, Sept. 17

  8 a.m.   Meet at Broadway & Regent
Mt. Sanitas is a beautiful trail for hikers with moderate experience. International Students and Scholar Services (ISSS) is leading the hike. Please eat breakfast, bring a snack and dress appropriately for the weather. Plan to meet at the Broadway & Regent Drive RTD bus stop. Happy hiking! 

  8–11 a.m.    Meet at CU Museum north entrance
Apple trees can help us understand local ecological systems. Join the �鶹ӰԺ Apple Tree project for fun sampling and discussion with autumn snacks! Plan to meet in the courtyard between the CU Museum of Natural History and the Mary Rippon Outdoor Theatre.

  8:30 a.m.–1:30 p.m.   Meet at the UMC
Make adventure accessible with the Lockwood Foundation. Volunteers will help make the NCAR trails more accessible for those with limited mobility. Sign up , then plan to meet at the UMC South Terrace.

  1 p.m.    Prentup Field
Support the women’s soccer team by cheering them on this Saturday. Tickets cost $8 for general admission and $12 for premium (midfield) seating. 

‘America’s Broken Political Process and the Path Forward’

  1–2:30 p.m.    CASE, fourth floor, auditorium
The CU on the Weekend lecture series showcases the cutting-edge work of our faculty. This month, Professor Doug Spencer will engage in an important and timely conversation about the interaction of law and politics, exploring several potential reforms for addressing the potential breakdown of America’s democracy.

Sunday, Sept. 18

Colorado Skies: The Fall Equinox

  ​1 p.m.    Fiske Planetarium
Join Fiske Planetarium to learn about the autumnal equinox. The Sun rises due east and sets due west on the equinoxes, plus day and night are approximately equal in length. We'll also explore the late summer/fall constellations and let you know what objects to look for with the naked eye, a pair of binoculars or a small telescope. Students are admitted free with a Buff OneCard.

  4 p.m.    Imig Music, Grusin Music Hall   &�Բ�����;$35–$47
CU Presents brings the Grammy-winning Takács Quartet to campus this Sunday! Experience the group’s ultimate artistry and talent.