Timeline
W. M. Keck Observatory - A Strange, Solitary Life For Young Stars At The Milky Way’s Center:
https://keckobservatory.org/s-stars/
#SagittariusA #SStars #LonelyStars #Stars #BlackHole #MilkyWay #GalacticCenter #KeckObservatory #Spectrograph #Spectroscopy #InfraredAstronomy #Infrared #Astronomy #Astrophysics