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Alex Filippenko

Credits See All

How the Universe Works
Self - Astrophysicist, Self - Astrophysicis, Self - Astrophysicist, University of California: Berkeley
NASA's Unexplained Files
Self
NOVA Wonders
Self

Trailers & Videos See All

Nova Wonders
1:14
Space's Deepest Secrets
0:30
Nova: Bigger Than T. Rex
0:30
Nova: Death Of A Star
1:01
Nova: Volcano Above The Clouds
0:52
Nova: The Perfect Corpse
1:01