Click for next articleThanks to the Hubble Space Telescope, astronomers have shed light on a recent chapter in the history of our Milky Way's neighboring galaxy, Andromeda. And they've found more evidence that one of Andromeda's own neighbors — a smaller galaxy called M32 — may be to blame. "We can't explicitly say that we are seeing a decrease in star formation because of M32. The Andromeda galaxy, M31, with satellite galaxies M32 (center left) and M110 (lower right). M32 is only located about 16,000 light-years from Andromeda (Andromeda is formally called M31) and it looks like the rump core of a spiral galaxy that lost its arms.