Assertion: planet | /r/CapableOf | achieve spherical shape
Facets:
value: due to its own gravitational accretion
type: CAUSE
value: nearly
type: DEGREE
value: due to iii
type: TEMPORAL
Source sentences:
text: According to the International Astronomical Union, in a 2006 landmark decision, a planet is defined as a i) a celestial body that orbits a star, but is not a star itself; ii) is massive enough to have achieved a nearly spherical shape due to its own gravitational accretion, and iii) has cleared it local neighborhood of significant solar system debris.