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Podcaster: Dr Pamela Gay, Andy Shaner, Mike Vergalla

Podcaster: Fraser Cain and Dr Pamela Gay

Podcaster: Morgan Rehnberg

Podcaster: Stuart Clark This podcast originally aired on July 17th, 2010 see original post Description: Were the first celestial objects giagantic stars or powerful black holes?

Podcaster:  Diane Turnshek but Recorded by Matt Turnshek Organization: Carnegie Mellon University Physics Department