Assertion: moon's center | /r/CapableOf | lie outside earth
Facets:
value: in a few billion years
type: TEMPORAL
Source sentences:
text: However, the Moon currently migrates outward from Earth at a rate of approximately 3.8 cm (1.5 in) per year; in a few billion years, the Earth–Moon system's center of mass will lie outside Earth, which would make it a double-planet system.