8 p.m. Sep. 10 – Online Evening Program at Ohio Wesleyan’s Perkins Observatory. Barbara Ryden, Ph.D., of The Ohio State University’s Department of Astronomy will discuss “Einstein, Friedmann, and the Expanding Universe Smackdown.” Her free presentation is part of the observatory’s New Vistas in Astronomy adult lecture series.

This event will be limited to the first 100 participants who join. The Zoom link for the event will be posted under the “Upcoming Events” section of the Perkins Observatory webpage at owu.edu/perkins.