Galaxy cosmic| Astronomy on Instagram: "This is the actual sound of a pulsar recorded by NASA. Pulsars are rapidly spinning neutron stars the collapsed cores of massive stars that exploded as supernovae. Each “beat” you hear is a burst of radio waves hitting Earth with perfect precision. These cosmic clocks can spin hundreds of times every second faster than any human-made machine. #NASA #Pulsar #NeutronStar #SpaceFacts #Astronomy #ScienceReels #Astrophysics #TheUniverse #SpaceExploration #Cosmi