File:Redshift of spectral lines in the optical spectrum of a supercluster of distant galaxies (right), as compared to that of the Sun (left).png
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Redshift_of_spectral_lines_in_the_optical_spectrum_of_a_supercluster_of_distant_galaxies_(right),_as_compared_to_that_of_the_Sun_(left).png (297 × 529 pixels, file size: 12 KB, MIME type: image/png)