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spectroscopic binary

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spectroscopic binary

 
Use spectroscopic binary in a Sentence
–noun Astronomy.
a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.
Compare visual binary.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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spectroscopic binary  
n.  A binary star system that is identified by periodically shifting lines in its spectrum.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
spectroscopic binary   (spěk'trə-skŏp'ĭk)  Pronunciation Key 
See under binary star.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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