What is the color from a wavelength of 6563 Angstroms?
Question #4229. Asked by Groovy.
Last updated Aug 19 2016.
shantaram
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shantaram 25 year member
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Answer has 4 votes.
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Red. 6563 angstroms is the h-alpha emission line seen in many galaxy spectra and accounts for the red colors observed in hydrogen images in other galaxies.
http://astronomy.nmsu.edu/geas/lectures/lecture27/slide02.html