Einstein ring

名词 n.
中文释义

英文释义

名词 n.
  1. A ring-shaped gravitational mirage; an image of a distant light source, such as a galaxy, which has been distorted into a ring by a gravitational lens.
    — Thus, clusters of galaxies with masses M ∼ 10¹⁵M_⊙ at cosmological distances can result in Einstein rings with angular radii tens of arcseconds.

词形变化

Einstein rings plural

词源

Named after Albert Einstein, whose theory of general relativity predicted gravitational lensing.
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