Assertion: sun's core | /r/CapableOf | undergo marked increase
Facets:
value: in temperature
type: OTHER
value: in density
type: OTHER
Source sentences:
text: When hydrogen fusion in its core has diminished to the point at which the Sun is no longer in hydrostatic equilibrium, its core will undergo a marked increase in density and temperature while its outer layers expand, eventually transforming the Sun into a red giant.