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Alex Filippenko

Mentioned in 1 analyzed podcast episode across 1 show

Appears On

Episode Appearances

StarTalk Radio · Feb 6, 2026

Cosmic Queries – Understanding Infinity with Stephon Alexander

“Astrophysicist colleague of Neil deGrasse Tyson; explained operational infinity in expanding universe”

Black Hole Singularities and Infinite DensityString Theory and Quantum GravityInfinity in Mathematics vs. Physical Reality