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 …

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 …

ViewSpace videos tell the stories of the planets, stars, galaxies, and universe, giving viewers the opportunity to experience space and Earth as seen with satellites and telescopes.

Nov 27, 2025 · 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 …

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.

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 …

21 hours ago · The three-dimensional view will help scientists learn more about the origins of life in the Milky Way galaxy and how the universe’s hundreds of millions of galaxies have changed …

A cosmic catastrophe is slowly unfolding in deep space, and astronomers have uncovered something astonishing—a supermassive black hole within the...

Nov 3, 2025 · Dive into the dazzling depths of the universe with this galaxy-themed trivia quiz that spans cosmic facts, mysterious phenomena, and the wild wonders of deep space.

Universe Map is your definitive guide to galaxies, stars, and cosmic structures — mapped, analyzed, and optimized for discovery and research.