| 单词 | gravitational lens |
| 释义 | > as lemmasgravitational lens gravitational lens n. Astronomy a region of space containing a massive body whose gravitational field affects electromagnetic radiation passing through it in a manner similar to a lens. ΘΚΠ the world > the universe > space > [noun] > gravitational lens gravitational lens1937 1937 Astrophysical Jrnl. 86 237 (heading) Nebulae as gravitational lenses. 1968 Science 18 Oct. 348 In some instances the foreground galaxy will act as a gravitational lens and produce distorted and (in brightness) greatly amplified images of the galaxy behind it. 1979 Nature 8 Nov. 183/1 The amazing similarities between these two objects have led to speculations that the image of a single QSO was being split by a gravitational lens in the line of sight. 1987 New Scientist 2 July 26/1 The discovery of a companion object close to the supernova discovered earlier this year has caused a flurry of activity among theorists... The most tantalising possibility is that we are seeing the effect of a gravitational lens, a black hole with a mass of a hundred thousand Suns, lying half way between our Galaxy and the supernova. < as lemmas |
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