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  • 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 the Milky Way galaxy that contains the Solar System
  • Galaxies - NASA Science
    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 smallest can contain a few thousand stars and span just a few hundred light-years
  • Galaxy | Definition, Formation, Types, Properties, Facts | Britannica
    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 stars Galaxies usually exist in clusters, some of which measure hundreds of millions of light-years across
  • Galaxy Types - NASA Science
    Our Milky Way is one example of a broad class of galaxies defined by the presence of spiral arms These galaxies resemble giant rotating pinwheels with a pancake-like disk of stars and a central bulge or tight concentration of stars
  • 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 has theatres in Arizona, California, Nevada, Texas, and Washington
  • What is a Galaxy? - sciencenewstoday. org
    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 black holes and energetic cosmic radiation
  • What Is a Galaxy? - Science@NASA
    Galaxies are concentrations of stars, gas, dust, and dark matter They come in a variety of shapes and sizes Some are fated to collide, like the Milky Way and Andromeda
  • What Is a Galaxy? | NASA Space Place – NASA Science for Kids
    What Is a Galaxy? The Short Answer: A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity We live on a planet called Earth that is part of our solar system But where is our solar system? It’s a small part of the Milky Way Galaxy
  • Galaxy Evolution - NASA Science
    A black hole weighing 4 million Suns sits in the center of our own galaxy, the Milky Way It’s possible that the black holes came first, and galaxies grew around them
  • Galaxies Images - NASA Science
    NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel Galaxy, revealing new details about star formation This landscape of “mountains” and “valleys” speckled with glittering stars is actually the edge of a nearby, young, star-forming region





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