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  • MASS (or energy density) is the name we give to the property of matter which causes curvature of space-time

    You mean Gravitational mass.

    EDIT: got testered

  • Given this was a discussion about gravity I thought that was assumed. Obviously not.

    Mass is a far more common term than either gravitational mass or inertial mass, which typically only used when being careful about which you are referring to.

  • typically only used when being careful about which you are referring to

    Being careful about that to which you are referring is at the core of this thread.

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