C/2014 UN271 (Bernardinelli-Bernstein)
C/2014 UN271 (Bernardinelli-Bernstein) C/2014 UN271 (Bernardinelli-Bernstein), or simply 2014 UN271, is a large Oort cloud comet discovered by astronomers Pedro Bernardinelli and Gary Bernstein in archival images from the Dark Energy Survey.[6][7] When first imaged in October 2014, the object was 29 AU (4.cometoort cloudplanetsolar systemLINK