The Hidden Lives of Andromeda's Satellite Galaxies: Insights from the Hubble Survey

Astronomers used the Hubble Space Telescope to study 36 dwarf galaxies orbiting Andromeda (M31), revealing their unique star formation histories and evolutionary differences from Milky Way satellites. Key findings include correlations between galaxy age, brightness, and distance from M31, along with unusual quenching patterns. The study provides valuable data for understanding galaxy formation and highlights differences between observations and simulations, driving future research.