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A stellar spectrum is the light emitted by a star.
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∙ 11y ago
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Why do stellar spectra have absorption lines?
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How an elements particular emission or absorption spectra would be important to geologist astronomers and chemists?
geologists would be aided by these spectra in searching underground with different wavelenths and then determine the elements in the surrounding earth or soil An astronomer would be able to penetrate dust clouds and space debris to look at the fundamental compositions of a star or stellar system. These spectra tell you what elements are in something that you cannot physically test/experiment with/melt.
Who was the first person to classify stellar spectra by temperature?
Many people were involved in the current spectral classes.The person who first realised that the spectral sequence then categorised was in fact temperature, was Cecilia Payne.See related link for more information on her.
When was Stellar Occasion created?
Stellar Occasion was created in 1994.
What is stellar dust?
Stellar dust is the dust hovering around in space.
Why do stellar spectra have absorption lines?
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What has the author Charles R Cowley written?
Charles R. Cowley has written: 'The theory of stellar spectra' -- subject(s): Spectra, Stars 'An introduction to cosmochemistry' -- subject(s): Astrogeology, Astrophysics, Cosmochemistry 'Line identification studies using traditional techniques and wavelength coincidence statistics' -- subject(s): Abundance, Line spectra, Statistical analysis, Stellar spectra
What is astronomical ccd?
It is a central conical device- used to help find the stellar spectra of a star or planet.
What has the author Richard D Robinson written?
Richard D. Robinson has written: 'High-level manpower in economic development' 'Coordinated HST-EUVE observations of YZ CMi' -- subject(s): Stellar flares, Satellite observation, M stars, Ultraviolet spectra, Stellar spectra, Spaceborne astronomy
What has the author Thomas Espin written?
Thomas Espin has written: 'The distribution of stars of Type III and of stellar spectra in space'
What do scientists study to learn about the properties of stars?
Scientists study stellar spectra to learn about their properties such as temperature, chemical composition and relative chemical abundances, radial velocity, rotational speed etc.
What has the author Bengt E Westerlund written?
Bengt E. Westerlund has written: 'The Magellanic Clouds' 'Luminosity effects and colour-equivalents as measured in short stellar spectra' -- subject(s): Stars, Color, Spectra
What has the author David Tytler written?
David Tytler has written: 'Strong associated C IV absorption in low redshift quasars' -- subject(s): Absorption spectra, Interstellar gas, Quasars, Stellar spectra
What has the author Jennifer Catelli written?
Jennifer Catelli has written: 'Variability in the X-ray emission of H0538+608, an unusual AM Her-type cataclysmic variable' -- subject(s): Cataclysmic variables, Emission spectra, Light curve, Periodic variations, Stellar spectra, X ray astronomy, X ray spectra
What has the author Wayne Lee Waldron written?
Wayne Lee Waldron has written: 'A deep PSPC observation of the Cyg OB2 association' -- subject(s): Emission spectra, B stars, O stars, X ray sources, Radio observation, Spectrum analysis, Star clusters, X ray spectra, X ray astronomy, Radio spectra, X rays, Stellar spectra, Cygnus constellation
What has the author Viktor Viktorovich Sobolev written?
Viktor Viktorovich Sobolev has written: 'Theory of stellar spectra' -- subject(s): Spectra, Stars 'Moving envelopes of stars' -- subject(s): Stars, Spectra, Radiation 'Course in theoretical astrophysics' -- subject(s): Astrophysics 'A treatise on radiative transfer' -- subject(s): Atmospheres, Radiative transfer, Radiation, Stars, Planets
How did astronomers in the 19th century gather information about the chemical composition of stellar objects?
There is one way for gathering information about chemical composition of stellar objects - spectral analysis! Astronomical spectroscopy began with Isaac Newton's initial observations of the light of the Sun, dispersed by a prism. He saw a rainbow of colour, and may have seen absorption lines. The absorption lines in stellar spectra can be used to determine the chemical composition of the star.
