Andromeda Galaxy Star Formation Slows Over Past 500 Million Years

Astronomers analyzing Hubble Space Telescope data report that the Andromeda galaxy has steadily slowed its star formation over the past 500 million years, dropping to one-fifth of a solar mass annually. Researchers suspect the compact companion galaxy M32 may be influencing the decline, though the exact cause remains unconfirmed. Our galactic next-door neighbor is visibly … Read more