Sound waves from the early universe left imprints

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