The Milky Way's inner ring

Garching, Germany (SPX) Apr 07, 2022

Using a combination of observed stars and a realistic model of the Milky Way, scientists at the Max Planck Institute for Extraterrestrial Physics have found a new structure in our home galaxy. Just outside the Galactic bar, they found an inner ring of metal rich stars, which are younger than the stars in the bar. The ages of the ring stars can be used to estimate that the bar must have formed