ULAS J1120+0641

  • Guest post: finding the most distant quasar


    A couple of weeks ago, a few of my astrophysics colleagues here at Imperial found the most distant quasar yet discovered, the innocuous red spot in the centre of this image: One of them, Daniel Mortlock, has offered to explain a bit more: Surely there’s just no way that something which happened 13 billion years…

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