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Invidious > Channel > David Butler

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YT 3 minutes 8 seconds David Butler How Old Is It - Chapter 1 - Preface YT 34 minutes 8 seconds David Butler How Old Is It - Chapter 2 - Big Bang Cosmology Fundamentals (4K) YT 42 minutes 18 seconds David Butler How Old Is It - Chapter 3 - Big Bang ΛCDM Cosmology (4K)

YT 26 minutes 30 seconds David Butler How Old Is It - Chapter 4 - The Epoch of Reionization (4K) YT 31 minutes 57 seconds David Butler How Old Is It - Chapter 5 - How Old are Stars (4K) YT 32 minutes 7 seconds David Butler How Old Is It - Chapter 6 - The Solar System (4K)

YT 26 minutes David Butler How Old Is It - Chapter 7 - The Earth-Moon System (4K) YT 3 minutes 13 seconds David Butler Classroom Aid - How Old Is It - Credits and Research