Ultra-Faint Galaxy Possibly 12.5 Billion Years Old Discovered Near Andromeda

An ultra-faint dwarf galaxy, previously undiscovered, has been detected near Andromeda (M31), the largest neighboring galaxy of the Milky Way.

A new study published in the Astronomy & Astrophysics journal reveals that this galaxy is one of the faintest satellite galaxies ever found around Andromeda. Researchers named the galaxy 'And XXXVI', securing…