The UA Department of Physics and Astronomy invites the public to observe the sky using the department's rooftop 16" telescope. The event will begin with a talk in Gallalee Hall 227, followed by observing at the rooftop observatory.

Talk: “The Hubble Tension: Why we can’t agree on the universe’s expansion rate” by Annelia Anderson
Observing the crescent moon and planets with Dr. Jimmy Irwin