19. CMB variations and Baryon Acoustic Oscillations (BAO)
Expansion of the Universe (Cosmology) section 19. CMB variations and Baryon Acoustic Oscillations (BAO). 17 minutes.
The lecture script for main course (not supplemental) videos is available here: https://drive.google.com/file/d/1vFI2fcdl7cED7uaOjSvIwfWp2XkcswUM/view?usp=sharing