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Einstein's static universe, aka the Einstein universe or the Einstein static eternal universe, is a relativistic model of the universe proposed by Albert Einstein in 1917. [1] [2] Shortly after completing the general theory of relativity, Einstein applied his new theory of gravity to the universe as a whole.
The Friedmann–Einstein universe is a model of the universe published by Albert Einstein in 1931. [1] The model is of historic significance as the first scientific publication in which Einstein embraced the possibility of a cosmos of time-varying radius.
Einstein believed the problem of God was the "most difficult in the world"—a question that could not be answered "simply with yes or no". He conceded that "the problem involved is too vast for our limited minds". [11] Einstein explained his view on the relationship between science, philosophy and religion in his lectures of 1939 and 1941:
And what they found is that it acts as physicist Albert Einstein predicted it would in his groundbreaking 1915 theory of general relativity. ... the universe's fundamental forces. Einstein's ...
Because the Einstein universe soon was recognized to be inherently unstable, it was presently abandoned as a viable model for the universe. It is unstable in the sense that any slight change in either the value of the cosmological constant, the matter density , or the spatial curvature will result in a universe that either expands and ...
A cyclic model (or oscillating model) is any of several cosmological models in which the universe follows infinite, or indefinite, self-sustaining cycles. For example, the oscillating universe theory briefly considered by Albert Einstein in 1930 theorized a universe following an eternal series of oscillations, each beginning with a Big Bang and ending with a Big Crunch; in the interim, the ...
A new photograph from the Hubble Space Telescope shows a stunning “Einstein Ring” billions of light-years from Earth — a phenomenon named after Albert Einstein.
The cosmological constant was originally introduced in Einstein's 1917 paper entitled “The cosmological considerations in the General Theory of Reality”. [2] Einstein included the cosmological constant as a term in his field equations for general relativity because he was dissatisfied that otherwise his equations did not allow for a static universe: gravity would cause a universe that was ...