Assertion: gravity's mass | /r/CapableOf | equal the mass of the real earth
Facets:
Source sentences:
text: The density at the center is the same as in the PREM, but the surface density is chosen so that the mass of the sphere equals the mass of the real Earth.
text: The density at the center is the same as in the PREM, but the surface density is chosen so that the mass of the sphere equals the mass of the real Earth.