NASA's Hubble Space Telescope creates largest photomosaic ever made of "train wreck" Andromeda galaxy with over 2.5 billion pixels
The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and can be seen with the naked eye on a clear autumn night as “a faint cigar-shaped object roughly the apparent angular diameter of our Moon” according to NASA.