Comet C\/2014 UN271 (Bernardinelli-Bernstein) is the next big thing in astronomy news. This behemoth spans 80 miles across and weighs approximately 500 trillion tons, making it the most enormous known comet in existence.
Hubble has confirmed the size of comet C/2014 UN271, first observed in 2010 by astronomers Pedro Bernardinelli and Gary Bernstein. Researchers Man-To Hui and David Jewitt developed a computer model to use Hubble imaging to confirm the size of the comet's nucleus as nearly 130 km (over 80 mi).
Hubble confirms largest comet nucleus ever seen it-online.co.za - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from it-online.co.za Daily Mail and Mail on Sunday newspapers.
NASA s Hubble telescope confirm the largest comet ever seen, size will shock you - The nucleus is 50 times larger than that of most comets, its mass is estimated to be a gigantic 500 trillion tons. It is about 80 miles in diametre.