The origin of the first structures formed in galaxies like the Milky Way identified

An international team of scientists has used the Gran Telescopio Canarias (GTC) to study a representative sample of galaxies, both disc and spheroidal, in a deep sky zone in the constellation of the Great Bear to characterize the properties of the stellar populations of galactic bulges.

source https://www.sciencedaily.com/releases/2021/06/210607161046.htm