Hubble Confirms Largest Comet Nucleus Ever Seen

  • Released Tuesday, April 12th, 2022
  • Updated Wednesday, May 3rd, 2023 at 11:44AM

NASA’s Hubble Space Telescope has determined the size of the largest icy comet nucleus ever found. And, it’s big! With a diameter of approximately 80 miles across, it’s about 50 times larger than typical comets. Its 500-trillion-ton mass is a hundred thousand times greater than the average comet.

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Music Credits:
“Ash Cloud” by Samuel Sim [PRS] via Sound Pocket Music [PRS] and Universal Production Music

Additional Credits:
Pop Sound Effects by erhnbcc via Motion Array

Illustration of comet by NOIRLab/NSF/AURA/J. da Silva (Spaceengine)

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Please give credit for this item to:
NASA's Goddard Space Flight Center. However, please credit individual items as indicated above.


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