4.2 Consider Einstein's static universe, in which the attractive force of thematter density p is exactly balanced by the repulsive force of thecosmological constant, A = 47Gp. Suppose that some of the matter isconverted into radiation (by stars, for instance). Will the universe start toexpand or contract? Explain your answer.

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2 Consider Einstein's static universe, in which the attractive force of the matter density p is exactly balanced by the repulsive force of the cosmological constant, A = converted into radiation (by stars, for instance). Will the universe start to expand or contract? Explain your answer. 4TGP. Suppose that some of the matter is

2 Consider Einstein's static universe, in which the attractive force of the matter density p is exactly balanced by the repulsive force of the cosmological constant, A = converted into radiation (by stars, for instance). Will the universe start to expand or contract? Explain your answer. 4TGP. Suppose that some of the matter is