• It appears, from all that precedes, reasonably certain that if there be any relative motion between the earth and the luminiferous ether, it must be small; quite small enough entirely to refute Fresnel's explanation of aberration.

    "On the Relative Motion of the Earth and the Luminiferous Ether". Article by by Albert A. Michelson and Edward W. Morley. American Journal of Science, 1887, 34 (203), p. 341, 1887.