Spectroscopy

$A huge diffraction grating at the heart of the ultra-precise ESPRESSO spectrograph.[3]$

UVES is a high-resolution spectrograph on the Very Large Telescope.[11]

Spectroscopy /spɛkˈtrɒskəpi/ is the study of the interaction between matter and electromagnetic radiation. Historically, spectroscopy originated through the study of visible light dispersed according to its wavelength, by a prism. Later the concept was expanded greatly to include any interaction with radiative energy as a function of its wavelength or frequency. Spectroscopic data is often represented by a spectrum, a plot of the response of interest as a function of wavelength or frequency.

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释义	Fingerprint Region 英语百科 Spectroscopy $A huge diffraction grating at the heart of the ultra-precise ESPRESSO spectrograph.[3]$ Spectroscopy /spɛkˈtrɒskəpi/ is the study of the interaction between matter and electromagnetic radiation. Historically, spectroscopy originated through the study of visible light dispersed according to its wavelength, by a prism. Later the concept was expanded greatly to include any interaction with radiative energy as a function of its wavelength or frequency. Spectroscopic data is often represented by a spectrum, a plot of the response of interest as a function of wavelength or frequency.
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Spectroscopy