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, …

Oct 11, 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. …

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

Sep 12, 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. …

Jan 16, 2025 · The Andromeda Galaxy, our closest galactic neighbor, holds over 1 trillion stars and has been a key to unlocking the secrets of the universe. Thanks to NASA’s Hubble Space …

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 …

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand …

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.

Jul 30, 2025 · Andromeda is best viewed in the early evening during the first two weeks of October when — from our perspective — it lies across the sky from the Sun. It’s invisible …

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 …