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.

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 Galaxy is …

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 …

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

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.

Oct 10, 2025 · Over the course of human history, perhaps no single object in the night sky has drawn more attention than the Andromeda Galaxy, which the 10th-century Persian astronomer Abd al …

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 …

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 …

For more than a century, astronomers have watched in astonishment as the Andromeda galaxy ignored the grand flow of cosmic expansion and hurtled straight toward the Milky Way. While almost every ...

5 days ago · A new study uncovers the reason why Andromeda is speeding toward the Milky Way, revealing the powerful influence of dark matter on galactic movement.