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Never-before-seen comet 62 miles wide spotted speeding towards our solar system
space and towards our solar system as a comet.The alien object was designated as a comet Wednesday, June 23, just a week after it was first observed as a tiny, moving dot in archival images from the Dark Energy Camera at the Cerro Tololo Inter-American Observatory in Chile.It's so big that experts had previously thought the comet was a minor planet and has the largest comet nucleus ever seen.The comet will now be known as Comet C/2014 UN271, or Bernardinelli-Bernstein after its discoverers, University of Pennsylvania graduate student Pedro Bernardinelli and astronomer Gary Bernstein.