Galaxy s8 startup problems. The smallest can contain a few thousand stars and span just a few hundred light-years. 2 days ago · What is a galaxy? A galaxy is any of the systems of stars and interstellar matter that make up the universe. [1][2] The word is derived from the Greek galaxias (γαλαξίας), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. . Many such assemblages are so enormous that they contain hundreds of billions of stars. 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 dark matter. Mar 23, 2025 · A galaxy can contain hundreds of billions of stars and be many thousands of light-years across. What is a galaxy, and what are the different types found in the Universe? Find out about galaxy formation and the history of their study. 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-years across. 795 ew9 eljy jmsk qpw nn5auy xgn ja m2wk 4fejmyi