Baryon Acoustic Oscillations (BAOs) aka "sound waves from the nascent universe" left imprints that can be used to study galaxy distribution, according to NASA Goddard's Space Flight Center. Video credit: NASA's Goddard Space Flight Center Scott Wiessinger (USRA): Lead Producer Scott Wiessinger (USRA): Lead Animator Ashley Balzer (ADNET): Lead Science Writer Jason D. Rhodes (JPL): Scientist Scott Wiessinger (USRA): Narrator