Video chat with cosmologist Ian Dell'antonio at the Public Observatory. Ask questions about how huge galaxy clusters bend light, the fate of the Universe, or anything else that interests you. Ian Dell'antonio is an associate professor of physics at Brown University.
In the event of inclement weather, the program may be moved or postponed. Check @SIObservatory for updates or call (202) 633-2517.
Accessibility: The Observatory dome is accessible.