WHAT IS A GALAXY? | NASA SPACE PLACE – NASA SCIENCE FOR KIDS
Aug 11, 2025 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 … From bing.com
GALAXIES—FACTS AND INFORMATION | NATIONAL GEOGRAPHIC
Apr 17, 2019 Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity. Nearly all large galaxies are thought … From bing.com
A galaxy is a concentration of millions or billions of stars, gas clouds and pockets of dust, all bound by gravity and swathed in a cocoon of mysterious dark matter. From bing.com
Mar 19, 2025 The Basics: What Is a Galaxy, Really? At its core, a galaxy is a massive, gravitationally bound system consisting of stars, stellar remnants, interstellar gas, dust, and … From bing.com
GALAXIES, THE COSMIC CITIES OF THE UNIVERSE, EXPLAINED BY ...
Apr 15, 2021 Galaxies are glittering cities, massive metropolises full of stars, dust, gas, black holes, magnetic fields, cosmic rays, dark matter and more. Separated by millions of light-years … From bing.com
Mar 23, 2025 A galaxy can contain hundreds of billions of stars and be many thousands of light-years across. Our own galaxy, the Milky Way, is around 100,000 light-years in diameter. From bing.com
May 9, 2025 In modern times, though, we use “galaxy” more generically to refer to any large system of stars, gas, dust and dark matter, all held together by their mutual gravity. From bing.com
May 2, 2025 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 … From bing.com
6 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 … From bing.com
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), literally … From bing.com
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