The Hubble Space Telescope has been snapping pictures of the universe for the best part of 35 years, and now astronomers have completed a magnificent 417-megapixel photomosaic of the Andromeda galaxy.
This galaxy, designated Andromeda XXXV, and its compatriots orbiting our neighbor galaxy, Andromeda, could change how we think about cosmic evolution. That's because dwarf galaxies this small ...
One of the great places to look for dwarf galaxies is the halo of the Andromeda galaxy (also known as Messier 31, or M31 for short), due to its relative proximity. UNIONS is so far the deepest ...