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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: 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 …

  6. The Andromeda galaxy struts its stuff - Berkeley News

    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 Telescope, …

  7. Andromeda Galaxy - Wikiwand

    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 a...

  8. 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.

  9. Andromeda has a new faintest satellite galaxy - Astronomy Magazine

    Mar 19, 2025 · Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

  10. 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.

  11. Andromeda Galaxy (M31) How to See, Facts, Collision

    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 center. …

  12. 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 …

  13. Andromeda | Galaxy, Stars, Mythology | Britannica

    Its most notable feature is the great Andromeda Galaxy, one of the nearest galaxies to Earth and one of the few galaxies visible to the unaided eye. Andromeda is named after the princess of Ethiopia …

  14. Andromeda Galaxy - NASA

    Save the Date! Cosmic Origins at AAS 247.

  15. 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 …

  16. Explore the wonders of the constellation Andromeda

    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 around early April when it...

  17. 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 …

  18. Andromeda Facts: Facts about the Andromeda Galaxy - The Planets

    Located in the Andromeda constellation, it is the closest spiral galaxy to the Milky Way, where our solar system is, although it isn't the closest overall galaxy to the Milky Way.

  19. Watch live as near-Earth asteroid Eros buzzes the Andromeda Galaxy …

    Nov 28, 2025 · The near-Earth asteroid Eros will pass within two degrees of the Andromeda Galaxy's core on Nov. 30. Here's how you can livestream the rare encounter.

  20. 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.

  21. This is Why We CAN'T Reach Andromeda - YouTube

    6 days ago · Why CAN’T We Reach Andromeda? In this video, discover the real science and cosmic barriers that make traveling to our nearest major galaxy utterly impossible...

  22. Andromeda Galaxy - NASA

    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 …

  23. Dwarf Galaxies Around Andromeda Are Revealing a Complex Story of …

    Nov 24, 2025 · A new study of M31, also known as Andromeda, explains how our cosmic neighbor kills off smaller nearby galaxies.

  24. NASA’s Hubble Traces Hidden History of Andromeda Galaxy

    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 …