Assertion: planet's formation | /r/CapableOf | have occurred in the solar system
Facets:
value: to have occurred via a process
type: CAUSE
Source sentences:
text: A hypothesis to the asteroid belt creation is that in general, in the Solar System, a planetary formation is thought to have occurred via a process comparable to the long-standing nebular hypothesis: a cloud of interstellar dust and gas collapsed under the influence of gravity to form a rotating disc of material that then further condensed to form the Sun and planets.