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Einstein shiftSee gravitational redshift.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
Einstein shift[′īn‚stīn ‚shift]
A shift toward longer wavelengths of spectral lines emitted by atoms in strong gravitational fields. Also known as Einstein displacement.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.