Assertion: planet's body | /r/AtLocation | hydrostatic equilibrium
Facets:
Source sentences:
text: It was once expected that any icy body larger than approximately 200 km in radius was likely to be in hydrostatic equilibrium (HE).
text: However, to be a dwarf planet, a celestial body must be in hydrostatic equilibrium – meaning that it is symmetrically rounded into a spheroid or ellipsoid shape.