Conceptual illustration comparing the comet nucleus size of comet C/2014 UN271 (Bernardinelli-Bernstein, far right) to comets P/2005 JQ5, 1P/Halley, C/2011 KP36, C/Hale-Bopp and C/2002 VQ94. Comet C/2014 UN271 is currently the largest comet nucleus to be witnessed by astronomers. It has a diameter of 128.748 kilometres, or 85 miles, wide and an estimated mass of 500 trillion tons. Most comet nuclei are smaller than Halley's comet. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Zena Levy (STScI) / ESA / NASA |
Bildgröße: | 4210 px × 2080 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |