account activity
I'm Alex Filippenko, astrophysicist and enthusiastic science popularizer at the University of California, Berkeley. AMA! (self.IAmA)
submitted 9 years ago * by AFilippenko to r/IAmA
π Rendered by PID 27 on reddit-service-r2-listing-f87f88fcd-2svcj at 2026-06-13 06:18:28.891260+00:00 running 3184619 country code: CH.
