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  1. Galaxy - Wikipedia

    A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. [1][2] The word is derived from the Greek galaxias (γαλαξίας), meaning 'milky', a reference to …

  2. Galaxies - NASA Science

    May 5, 2026 · Galaxies consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity. The largest contain trillions of stars and can be more than a million light-years across. The …

  3. Explore the Latest Galaxy Smartphones | Samsung US

    Discover our newest Galaxy smartphones and explore Samsung's full lineup—including the Galaxy S25 Series, Flip and Fold phones, Fan Edition, A Series 5G, and more.

  4. Galaxy | Definition, Formation, Types, Properties, & Facts | Britannica

    2 days ago · What is a galaxy? A galaxy is any of the systems of stars and interstellar matter that make up the universe. Many such assemblages are so enormous that they contain hundreds of billions of …

  5. Galaxy

    Galaxy is a community-driven web-based analysis platform for life science research.

  6. What’s a galaxy? All you need to know about galaxies - EarthSky

    Mar 18, 2026 · What is a galaxy? A galaxy is a vast island of gas, dust and stars in an ocean of space. Typically, galaxies are millions of light-years apart. Galaxies are the building blocks of our universe.

  7. Galaxy Theatres | Movie Theatre

    Galaxy Theatres, LLC is a fully integrated movie theatre company. Privately owned, it is ranked by size in the top 10% of its industry, according to the National Association of Theatre Owners and currently …

  8. Galaxy - Definition, Types, Formation, and Examples

    May 16, 2026 · A galaxy is a massive gravitationally bound system containing stars, stellar remnants, gas, dust, dark matter, planets, and other astronomical objects. Galaxies range from tiny dwarf …

  9. What Is a Galaxy—and How Many Are There in the Universe?

    Feb 5, 2026 · What is a Galaxy? A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravitational forces.

  10. What is a Galaxy? - sciencenewstoday.org

    Mar 19, 2025 · A galaxy is one of the largest structures in the universe. It is a gravitationally bound system made up of stars, planets, gas, dust, dark matter, and often mysterious phenomena such as …