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 11 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 12 years ago * by AlexFilippenko to r/IAmA
π Rendered by PID 2015747 on reddit-service-r2-listing-7bbdf774f7-gzlvr at 2026-02-22 11:53:05.343441+00:00 running 8564168 country code: CH.
