The book's summary includes:

*One of the most important consequences of the causal gravitational equations is that a gravitational interaction between two bodies involves not one force (as in Newton's theory) but as many as five different forces corresponding to the five terms in the two retarded gravitational and cogravitational field integrals. These forces depend not only on the masses and separation of the interacting bodies, but also on their velocity and acceleration and even on the rate of change of their masses. A series of illustrative examples on the calculation of these new forces is provided and a graphical representation of these forces is given. The book concludes with a discussion of the possibility of*

**antigravitation**as a consequence of the negative equivalent mass of the gravitational field energyIs this a bunch of 'hooey' or what?? The additional effects of gravitation should be observable in several high-mass astronomy examples (neutron star orbits, black hole accretion, et cetera). Does this help to explain the missing mass problem?

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