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What is Types and Formation of Galaxies about?
Galaxies are vast systems made of stars, dust, and gas, classified into four main types: spiral, barred, elliptical, and irregular. The classification of galaxies has evolved, with spiral and elliptical being the primary categories, while quasars represent extremely luminous active galactic nuclei powered by supermassive black holes. Galaxies vary in size, composition, and star formation activity, with some containing supermassive black holes at their centers.
- Author
- maryjoycaones42
- Language
- EN