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• 21:19, 25 January 2026 DanteWashere talk contribs created page Spectroscopy (Created page with "'''Spectroscopy''' is the study of the interaction between matter and electromagnetic radiation as a function of wavelength or frequency. In astronomy, it is used to analyze the composition, motion, and physical conditions of celestial objects. Spectroscopy is discussed in astrophysics, observational astronomy, and physical chemistry. == Status == Spectroscopic methods are widely used in ground-based and space-based observations. Advances in instrumentation and analysi...")