.Clusters of stars specified the interstellar tool ablaze in the Andromeda Galaxy about 2.5 thousand light-years away. Also known as M31, Andromeda is the Milky Way's closest primary galaxy. It measures roughly 152,000 light-years across and also, with almost the exact same mass as our home universe, is actually gone to an accident along with the Milky Way in 2-4 billion years. In the meantime, Andromeda stays an object of research for a lot of astronomers.