WebOct 5, 2024 · The meaning of SPIRAL GALAXY is a galaxy exhibiting a central nucleus or barred structure from which extend curved arms of higher luminosity —called also spiral nebula. Webspiral galaxy. noun. a galaxy consisting of an ellipsoidal nucleus of old stars from opposite sides of which arms, containing younger stars, spiral outwards around the nucleus. In a …
SPIRAL definition in the Cambridge English Dictionary
WebThe meaning of SPIRAL is winding around a center or pole and gradually receding from or approaching it. How to use spiral in a sentence. ... spiral galaxy. b (1): a spiral flight (2): a kick or pass in which a football rotates on its long axis while moving through the air. 4 WebFeb 22, 2024 · galaxy, 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. Nature has provided an immensely varied array of galaxies, ranging from faint, diffuse dwarf objects to brilliant spiral-shaped giants. south lyon township library
Spiral galaxy Definition, Meaning & Usage FineDictionary.com
WebIn galaxy: Spiral galaxies. Spirals are characterized by circular symmetry, a bright nucleus surrounded by a thin outer disk, and a superimposed spiral structure. They are divided … Spiral galaxies may consist of several distinct components: • A flat, rotating disc of stars and interstellar matter of which spiral arms are prominent components • A central stellar bulge of mainly older stars, which resembles an elliptical galaxy WebFeb 24, 2024 · The spiral galaxy definition is a flat disc-shaped galaxy with a bulge in the center and arms that spiral out from it. In this side view of a spiral galaxy the flat disc shape and center bulge can ... teaching methods for mathematics