What did Alex Filippenko discover?
What did Alex Filippenko discover? Alex Filippenko Born Alexei Vladimir Filippenko July 25, 1958 Oakland, California, United States Education University of California, Santa Barbara (B.A. 1979) California Institute of Technology (Ph.D. 1984) Known for Studies of supernovae, active galaxies, black holes, accelerating expansion of the Universe Is Alex Filippenko Russian? As I sat in my […]