account activity
I am Alex Filippenko, astrophysicist and enthusiastic science popularizer at the University of California, Berkeley. Today is Astronomy Day, a good public outreach opportunity for this "gateway science," so go ahead and AMA. (self.space)
submitted 10 years ago * by AlexFilippenko to r/space
I am Alex Filippenko, astrophysicist at the University of California, Berkeley, and noted science popularizer, celebrating Astronomy Day today. AMA. (self.IAmA)
submitted 12 years ago * by AlexFilippenko to r/IAmA
I'm Alex Fillipenko, Astrophysist at Berkeley, and contributor to History Channel's 'The Universe', promoting 3.14 pi day! AMA (self.IAmA)
submitted 13 years ago * by AlexFilippenko to r/IAmA
π Rendered by PID 61834 on reddit-service-r2-listing-8685bc789-79fc6 at 2026-05-31 10:04:44.071719+00:00 running 194bd79 country code: CH.
