Assertion: moon | /r/CapableOf | reach hydrostatic equilibrium
Facets:
value: at some point in their past
type: TEMPORAL
Source sentences:
text: The five major moons are ellipsoidal, indicating that they reached hydrostatic equilibrium at some point in their past (and may still be in equilibrium), and four of them show signs of internally driven processes such as canyon formation and volcanism on their surfaces.