.Sets of stars established the interstellar tool ablaze in the Andromeda Galaxy concerning 2.5 thousand light-years away. Additionally called M31, Andromeda is actually the Galaxy's closest primary galaxy. It gauges around 152,000 light-years across and, along with virtually the very same mass as our home universe, is headed for an accident along with the Galaxy in 2-4 billion years. In the meantime, Andromeda remains an object of study for several astronomers.