.Clusters of stars prepared the interstellar medium ablaze in the Andromeda Universe about 2.5 thousand light-years away. Additionally called M31, Andromeda is actually the Galaxy's closest major galaxy. It measures around 152,000 light-years around as well as, with just about the very same mass as our home galaxy, is actually headed for an accident with the Galaxy in 2-4 billion years. In the meantime, Andromeda stays a things of study for lots of astronomers.