Assertion: comet's nucleus | /r/CapableOf | survive perihelion
Facets:
value: for several days
type: TEMPORAL
value: on 19 december
type: TEMPORAL
Source sentences:
text: That observers were unable to locate a distinct nucleus amidst the more visible tail furthered this idea; using observations from the Pierre Auger Observatory, Zdeněk Sekanina and Paul Chodas determined that, while the nucleus did survive perihelion for several days, following a significant outburst of dust on 19 December, the nucleus underwent a "cataclysmic fragmentation" event on 20 December and completely disappeared.