Assertion: comet's coma | /r/CapableOf | envelop a comet's core
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: It lacks a coma, which is the cloud of gas and dust that usually envelops a comet's core, and researchers didn't observe a classic comet tail.
text: It lacks a coma, which is the cloud of gas and dust that usually envelops a comet's core, and researchers didn't observe a classic comet tail.