Assertion: asteroid belt's body | /r/HasAspect | sufficient
Facets:
value: for its self-gravity
type: PURPOSE
value: to overcome rigid-body forces
type: PURPOSE
Source sentences:
text: A proposal before the International Astronomical Union for the definition of a planet would have defined a planet as "a celestial body that (a) has sufficient mass for its self-gravity to overcome rigid-body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (b) is in orbit around a star, and is neither a star nor a satellite of a planet".