A certain quaternary star system consists of three stars,
Chapter 13, Problem 66(choose chapter or problem)
A certain quaternary star system consists of three stars, each of mass m, moving in the same circular orbit of radius r about a central star of mass M. The stars orbit in the same sense and are positioned one-third of a revolution apart from one another. Show that the period of each of the three stars is given by T 5 2p r 3 G1M 1 m/"32
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