Orbits of ancient stars prompt rethink on Milky Way evolution

IMAGE: Representation of the orbit of the star 232121.57-160505.4 in the Galactocentric cartesian frame, colour coded according to the time. The white dot represents the current position of the star. The… view more  Credit: Cordoni et al Theories on how the Milky Way formed are set to be rewritten following discoveries about the behaviour of some […]