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Universal Gravity: was Newton Right?

  • Alan E. Wright (a1), M. J. Disney (a2) and R. C. Thomson (a2)

Abstract

We question Newton’s inverse square law of universal gravitation in the light of recent, alternative formulations. In addition, we present numerical simulations of galaxy interactions which were used in an attempt to distinguish between an inverse square law and an inverse linear law. We conclude that an inverse linear relation is as compatible with the observational data on interacting galaxy systems as the inverse square law.

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References

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Disney, M.J., 1984, The Hidden Universe, (Dent: London).
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Tohline, J. E., 1983, in IAU Symp. 100, Internal kinematics and dynamics of galaxies, ed. Athanassoula, E., p. 205 (Dordrecht:Reidel).
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Toomre, A. and Toomre, J., 1972, Astrophys. J., 178, 623.
Trimble, V., 1987, Ann. Rev. Astron. Astrophys., 25, 425.
Wright, A. E., 1972, Mon. Not. R. Astron. Soc., 157, 309.

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