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An astrophysicist reacts to Carl Sagan's Contact
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An astrophysicist watches 'Star Trek: The Next Generation' for the first time
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How Many Black Holes Are In The Solar System?
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Doctor Reacts To "The Office" Medical Scenes
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An astrophysicist reacts to THE ORVILLE | S2E14 The Road Not Taken
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Astrophysicist reacts to Netflix's Lost in Space | Are wormholes science or sci-fi?
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The Black Hole That Kills Galaxies - Quasars
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