In this podcast, we first share report  of a new brightening of a YSO – that’s a “Young Stellar Object” – known as EC 53 in Serpens Main, in ATel 11614.  A YSO is a star which is still in the process of formation, undergoing gravitational collapse, just as nuclear burning is attempting to get … Continue reading OTN Ep #010: Young Stellar Object EC 53, and Gravitational Wave Source GW170817 →