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astronomical spectroscopy

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  • Astronomical spectroscopy — is the technique of spectroscopy used in astronomy. The object of study is the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other celestial objects. Spectroscopy can be used to derive many… …   Wikipedia

  • astronomical spectroscopy — žvaigždžių spektroskopija statusas T sritis Standartizacija ir metrologija apibrėžtis Astrofizikos šaka, tirianti ir matuojanti kosmoso objektų spektrus. atitikmenys: angl. astronomical spectroscopy; astrospectroscopy; stellar spectroscopy vok.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • astronomical spectroscopy — žvaigždžių spektroskopija statusas T sritis Standartizacija ir metrologija apibrėžtis Žvaigždžių sudėties ir būsenos tyrimas naudojant jų skleidžiamos spinduliuotės spektrus. atitikmenys: angl. astronomical spectroscopy; astrospectroscopy;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • Spectroscopy — Analysis of white light by dispersing it with a prism is example of spectroscopy. Spectroscopy ( …   Wikipedia

  • spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

  • Near-infrared spectroscopy — Near IR absorption spectrum of dichloromethane showing complicated overlapping overtones of mid IR absorption features. Near infrared spectroscopy (NIRS) is a spectroscopic method that uses the near infrared region of the electromagnetic spectrum …   Wikipedia

  • Absorption spectroscopy — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as a specific example. A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary… …   Wikipedia

  • Near infrared spectroscopy — (NIRS) is a spectroscopic method utilising the near infrared region of the electromagnetic spectrum (from about 800 nm to 2500 nm). Typical applications include pharmaceutical, medical diagnostics (including blood sugar and oximetry), food and… …   Wikipedia

  • Doppler spectroscopy — Diagram showing how a smaller object (such as an extrasolar planet) orbiting a larger object (such as a star) could produce changes in position and velocity of the latter as they orbit their common center of mass (red cross). Doppler spectroscopy …   Wikipedia

  • Emission spectroscopy — is a spectroscopic technique which examines the wavelengths of photons emitted by atoms or molecules during their transition from an excited state to a lower energy state. Each element emits a characteristic set of discrete wavelengths according… …   Wikipedia

  • Slitless spectroscopy — is astronomical spectroscopy done without a small slit to allow only light from a small region to be diffracted. It works best in sparsely populated fields, as it spreads each point source out into its spectrum, and crowded fields with be too… …   Wikipedia

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