The orange box at far left calls out M33, the Triangulum Galaxy, which at 3 million light - years away is one of our closest galactic neighbors. (discovermagazine.com)
Off to the side, he could see our nearest galactic neighbor, Andromeda, a twinkling, iridescent patch roughly the size of the moon. (discovermagazine.com)
Scientists using NASA's Hubble Space Telescope have discovered that the immense halo of gas enveloping the Andromeda galaxy, our nearest massive galactic neighbor, is about six times larger and 1,000 times more massive than previously measured. (sciencedaily.com)