What device, a tool for studying astronomical phenomena, uses the fact that when a material is heated to incandescence it emits light that is characteristic of the atomic makeup of the material?
Spectrometers Multi-Object Spectrometer Optical spectrum analyzer Spectroscope Optical Spectrum Analyzer Optical Spectrometer Optical spectrometer
optical spectrum analyzer optical spectrometer spectroscope multi object spectrometer spectrometers
spectroscope
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Spectroscope