7 April 2015
Astronomers have discovered that a distant galaxy — seen from Earth with the aid of a gravitational lens — appears like a cosmic ring, thanks to the highest resolution images ever taken with the Atacama Large Millimeter/submillimeter Array (ALMA).
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FZgHrxPOgjg/150407095345.htm
