.Sets of stars prepared the interstellar tool ablaze in the Andromeda Universe concerning 2.5 million light-years away. Also called M31, Andromeda is the Milky Way's closest significant galaxy. It measures around 152,000 light-years around as well as, with practically the same mass as our home galaxy, is actually headed for a collision with the Milky Way in 2-4 billion years. In the meantime, Andromeda stays an item of study for several stargazers.