Einstein ring holds gargantuan galaxy at the edge of the Universe

Japanese researchers have discovered a new galaxy so far away, it is in the outskirts of the charted Universe. To precisely map this galaxy the scientists turned to the Atacama Large Millimeter/submillimeter Array (ALMA) telescope and used the gravitational lensing of a foreground galaxy, which created a "natural telescope," bending and magnifying light from the hidden, background galaxy, SDP.81. As …