The latest eruption of the cryovolcanic comet 12P/Pons-Brooks, which will make its closest approach to Earth next year, shows that the icy object may have lost its iconic devil horns for good.
City-size 'devil comet' headed for Earth loses its iconic horns and turns green after latest volcanic eruption
Source: space
Source Link: https://www.space.com/comet-headed-for-earth-loses-its-iconic-horns-and-turns-green