NASA’s Hubble Space Telescope has confirmed the largest comet nucleus ever discovered—it is 50 times larger than most known comet nuclei.
May 16, 2022
The National Aeronautics and Space Administration’s (NASA) Hubble Space Telescope has confirmed the largest comet nucleus ever discovered—it is 50 times larger than most known comet nuclei. The diameter of the nucleus of comet C/2014 UN271 (Bernardinelli-Bernstein) is approximately