| 单词 | michelson–morley experiment |
| 释义 | > as lemmasMichelson–Morley experiment Michelson–Morley experiment n. an experiment (performed by A. A. Michelson and E. W. Morley in 1887) in which a beam of light is divided into two parts which are made to travel over two paths, one parallel and one at right angles to the earth's motion, before being recombined, the behaviour of the resulting interference fringes showing that the speed of light is the same in both directions, thereby contradicting the 19th-cent. theory that the earth moves through an ether in which light waves are propagated.The Lorentz contraction was proposed in order to account for the results of the experiment, which were explained in 1905 by Einstein's special theory of relativity.extracted from Michelson–Morleyn.< as lemmas |
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