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What is Spectroscopy?

  1. Spectroscopy: /spɛkˈtrɒskəpi/: is the study of the interaction between matter and radiated energy. Historically, spectroscopy originated through the study of visible light dispersed according to its wavelength, by a prism.

How Elements are ID'd in Stars

The elements in a star are identified using the technique of

spectroscopy. The analysis of the radiation (light) coming from a star will identify the elements in that star.

Electromagnetic Energy

  1. Energy propagated through free space or through a material medium in the form of electromagnetic waves. Examples include radio waves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays.