Einstein's general theory of relativity, as originally formulated without the cosmological constant, predicts a universe that
A) is static.
B) must expand.
C) must contract.
D) must either expand or contract.

Question

Quizplus · Accepted Answer

Einstein's general theory of relativity, in its original form without the cosmological constant, implies that the universe cannot remain static; it must either be expanding or contracting. This conclusion arises from the theory's equations, which show that a static universe would not be stable.

Einstein's General Theory of Relativity, as Originally Formulated Without the Cosmological