What is the color from a wavelength of 6563 Angstroms?
Question #4229. Asked by Groovy.
Last updated Aug 19 2016.
shantaram
Answer has 4 votes
Currently Best Answer
shantaram 24 year member
188 replies
Answer has 4 votes.
Currently voted the best answer.
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