Andromeda Galaxy - Wikipedia
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.
Messier 31 (The Andromeda Galaxy) - NASA Science
Nov 13, 2025 · Messier 31 M31, also well-known as the Andromeda Galaxy, is the nearest major galaxy to our own, the Milky Way.
Andromeda Galaxy | Description, Location, Distance, & Facts - Britannica
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 …
The Andromeda galaxy: All you need to know - EarthSky
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 …
Andromeda Galaxy: Facts about our closest galactic neighbor
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.
Andromeda Galaxy: Complete guide and how to see it
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 …
M31 - The Andromeda Galaxy: Facts, Type, Age, Size, Diameter, Mass ...
Feb 24, 2024 · As the nearest spiral galaxy to our own Milky Way, Andromeda has long captured the attention of astronomers and stargazers alike. Its breathtaking appearance in the night sky has …
Sharpest ever view of the Andromeda Galaxy - ESA/Hubble
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 …
Andromeda - noirlab.edu
The Andromeda Galaxy is larger than the Milky Way and is the largest galaxy in the Local Group of galaxies. It has two companions, Messier 32 and Messier 110, that are visible through small telescopes.
Get to know the Andromeda Galaxy - Astronomy Magazine
Sep 1, 2024 · Andromeda (M31), the nearest major galaxy to the Milky Way, is slated to collide with our galaxy in several billion years, a process expected to be gradual rather than abrupt.