Assertion: nebula's star | /r/CapableOf | expel material
Facets:
value: into two surrounding disks
type: TRANSITIVE-OBJECT
value: to form planetary nebulae
type: PURPOSE
Source sentences:
text: Most stars that expel material to form planetary nebulae – about 80 percent of them – expel a large amount of it in two opposing directions.
text: Another surprise is that the dying star has expelled material into two surrounding disks rather than the one thought previously to be present.