.Bunches of celebrities set the interstellar medium ablaze in the Andromeda Galaxy about 2.5 million light-years away. Also referred to as M31, Andromeda is actually the Galaxy's closest major galaxy. It assesses about 152,000 light-years across and, along with practically the very same mass as our home galaxy, is actually gone to an accident with the Galaxy in 2-4 billion years. For the time being, Andromeda remains an item of study for a lot of stargazers.