An Einstein ring (also known as an Einstein-Chwolson ring or Chwolson ring) is created as the light from distant objects, like galaxies, pass by an extremely large mass, like a galaxy cluster or a massive galaxy.
The post Astronomers Discover Complete Einstein Ring around NGC 6505 appeared first on Sci.News: Breaking Science News… » …
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Astronomers Discover Complete Einstein Ring around NGC 6505
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