In Greek mythology, Andromeda (/ æ n ˈ d r ɒ m ɪ d ə /; Ancient Greek: Ἀνδρομέδα, romanized: Androméda or Ἀνδρομέδη, Andromédē) is the daughter of Cepheus, the king of Aethiopia, and his wife, Cassiopeia.

The Andromeda Galaxy is a barred spiral galaxy 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.

Mar 23, 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 Galaxy is located about 2,480,000 light-years from Earth, and its diameter is approximately 200,000 light-years.

Sep 5, 2024 · 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 2.5 million...

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.

Jun 12, 2013 · Andromeda, also known as Messier 31 (M31), is a spiral galaxy located about 2.5 million light years away. It is thought that the Milky Way and Andromeda will collide several billion years from now. The black holes located in both galaxies will then reside in the large, elliptical galaxy that results from this merger.

Jan 16, 2025 · The Andromeda galaxy, our 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 Telescope, we’re now seeing Andromeda in stunning new detail, revealing its …

Mar 11, 2025 · Andromeda is a huge spiral galaxy near our own Milky Way galaxy. It’s about twice as massive as the Milky Way and has 36 known dwarf satellite galaxies.

Check out our selection of facts about Andromeda Galaxy. Did you know that the Milky Way is only about 80% the Mass of the Andromeda Galaxy? Read more here

Mar 17, 2025 · The Andromeda Galaxy, located 2.5 million light-years away, appears to the naked eye as a faint, spindle-shaped blur about the same size as the full Moon. But beyond what backyard observers can see, Andromeda is surrounded by nearly three dozen tiny satellite galaxies, orbiting it like bees around a hive.