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  1. Andromeda Galaxy - Wikipedia

    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.

  2. Andromeda Galaxy | Description, Location, Distance, & Facts - Britannica

    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. The Andromeda …

  3. 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.

  4. The Andromeda galaxy: All you need to know - EarthSky

    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. And, at …

  5. 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.

  6. 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 …

  7. Why The Andromeda Galaxy Is 100 Years Old Today—And How To See It

    Nov 23, 2024 · Andromeda, also called M31, is the closest giant neighboring galaxy at just 2.5 million light years away and home to at least a trillion stars. It wasn't always that way.

  8. Andromeda (mythology) - Wikipedia

    In Greek mythology, Andromeda (/ ænˈdrɒmɪdə /; Ancient Greek: Ἀνδρομέδα, romanized: Androméda or Ἀνδρομέδη, Andromédē) is the daughter of Cepheus, the king of Aethiopia, and his wife, Cassiopeia.

  9. ESA - Hubble traces hidden history of the Andromeda Galaxy

    Jan 16, 2025 · In the years following the launch of the NASA/ESA Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the Universe. But only one galaxy stands out as …

  10. 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 …