Colloquia News & Events Additional navigation Close News Events Colloquia Physics and Astronomy Colloquia Colloquium Archives (before 2017) Symposiums Public Lecture Archives Public Observing Physics and Astronomy Colloquia Physics and Astronomy Colloquia take place most Fridays throughout the term. Learn MoreLearn More Colloquium Archives (before June 2017) An archive of past colloquiums. Learn MoreLearn More