The Andromeda Galaxy is a barred spiral galaxy [c] and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224.

Dec 5, 2025 · Andromeda Galaxy, great spiral galaxy in the constellation Andromeda, the nearest large galaxy. It is one of the few visible to the unaided eye, appearing as a milky blur. The Andromeda …

Nov 13, 2025 · Messier 31 M31, also well-known as the Andromeda Galaxy, is the nearest major galaxy to our own, the Milky Way.

Dec 16, 2025 · Excluding the Large and Small Magellanic Clouds, visible from Earth’s Southern Hemisphere, the Andromeda galaxy is the brightest external galaxy visible in our night sky. And, at …

Jan 5, 2015 · This image, captured with the NASA/ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy — otherwise known as M31. This is a cropped …

Oct 26, 2023 · The Andromeda galaxy is the most distant object in the sky that you can see with your unaided eye. It's also on a collision course with our Milky Way.

Nov 28, 2023 · The Andromeda Galaxy is the closest major galaxy to our home galaxy the Milky Way and is located over 2 million lightyears from Earth. It is a spiral galaxy found in the Andromeda …

Jul 30, 2025 · The Andromeda constellation, encompassing the mythological princess, is notable for its size (19th largest) and moderate brightness (37th brightest), with its brightest star, Alpheratz,...

Jan 16, 2025 · But only one galaxy stands out as the most important nearby stellar island to our Milky Way: the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very …

Dec 7, 2024 · The Andromeda Galaxy contains 1 trillion stars and measures 220,000 light-years in diameter. The galaxy features a supermassive black hole of 1.5 billion solar masses at its center. …