Ultra-faint galaxy discovered near Andromeda may be 12.5 billion years old

Astrobitica June 29, 2026 (Last updated: June 29, 2026) 1 minute read

A new ultra-faint dwarf galaxy named And XXXVI has been discovered near Andromeda (M31), which is the Milky Way’s large neighboring galaxy. This galaxy is suggested to be one of the faintest satellite galaxies identified around Andromeda to date, according to a study published in Astronomy & Astrophysics.

A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way’s large neighboring galaxy. The new study, published in Astronomy & Astrophysics suggests that the galaxy, named And XXXVI, is one of the faintest satellite galaxies discovered around Andromeda to date.