n MNASSA : Monthly Notes of the Astronomical Society of South Africa - Einstein Ring in distant universe : news notes

Volume 64, Issue 7_8
  • ISSN : 0024-8266



Extracted from text ... 117 august 2005 news notes Einstein Ring in Distant Universe Astronomers using the European Southern Observatory's Very Large Telescope have discovered the most distant Einstein Ring. "There are only a very few optical rings or arcs known, and even less so in which the lens and the source are at large distance, i.e. more than about 7000 million light-years away (or half the present age of the Universe)", says Remi Cabanac, one of the investigators. "Moreover, very few are nearly complete", he adds. But in the case of this newly found cosmic ring, the images show it to extend to ..

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