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  2. Einstein's static universe - Wikipedia

    en.wikipedia.org/wiki/Einstein's_static_universe

    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.

  3. Eternalism (philosophy of time) - Wikipedia

    en.wikipedia.org/wiki/Eternalism_(philosophy_of...

    In the philosophy of space and time, eternalism [1] is an approach to the ontological nature of time, which takes the view that all existence in time is equally real, as opposed to presentism or the growing block universe theory of time, in which at least the future is not the same as any other time. [2]

  4. Static universe - Wikipedia

    en.wikipedia.org/wiki/Static_universe

    Einstein's static universe is closed (i.e. has hyperspherical topology and positive spatial curvature), and contains uniform dust and a positive cosmological constant with value precisely = /, where is Newtonian gravitational constant, is the energy density of the matter in the universe and is the speed of light.

  5. Friedmann–Einstein universe - Wikipedia

    en.wikipedia.org/wiki/Friedmann–Einstein_universe

    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.

  6. Special relativity - Wikipedia

    en.wikipedia.org/wiki/Special_relativity

    In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 paper, On the Electrodynamics of Moving Bodies , the theory is presented as being based on just two postulates : [ p 1 ] [ 1 ] [ 2 ]

  7. The Singular Universe and the Reality of Time - Wikipedia

    en.wikipedia.org/wiki/The_Singular_Universe_and...

    The authors argue that the current crisis in cosmology is a result of physicists making the wrong commitments to universalizing local experiments and to a block universe. They suggest instead that new research projects would be revealed if we took seriously the idea of one, and only one, universe as well as the reality of our experience of time.

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  9. Cyclic model - Wikipedia

    en.wikipedia.org/wiki/Cyclic_model

    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 ...