Hubble, galaxy and bullseye

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...
Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars.
The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...