static Universe


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static Universe

A Universe in which the cosmic scale factor is independent of time. Einstein proposed a static Universe in 1916 by including an ad hoc repulsion term – the cosmological constant, λ – in his field equations of general relativity. This canceled out the natural tendency for a gravitating Universe either to expand or contract, depending on its energy content. See cosmological models; expanding Universe.

static universe

[′stad·ik ′yü·nə‚vərs]
(astronomy)
A postulated universe that has a finite static volume and is closed.
References in periodicals archive ?
But it had no real scientific rationale; it was a fudge factor, a mathematical cheat to force his equations to describe the steady, static universe he thought must exist.
In its original formulation the theory had predicted an expanding universe, but sensing that it would go counter to the commonly held belief of a stable and static universe Einstein fudged the equation by introducing a cosmological constant.
The cosmological constant was originally introduced by Einstein to realize a static universe, but was abandoned after the discovery of the expansion of the Universe.
Gogberashvili considers a different approach using Einstein's static universe metric and investigates the effects of the strong static gravitational field.
Einstein, in order to obtain static universe, had earlier introduced the term with the cosmological constant.
The elusive dark energy encourages us to inspect the energy balance of the universe from a different angle, in a static universe.
In his general theory of relativity, Einstein introduced a cosmological constant in an effort to force a static universe from his equations.
For example, Albert Einstein's theory of general relativity introduced the notion of a cosmological constant to explain what he assumed was a static universe, which was the prevailing scientific view at the time.
In fact, Einstein believed in a static universe, and the idea of an expanding universe came about later as a result of the discoveries of Edmund Hubble in the 1920s and the work of Belgian Jesuit Georges Lemaitre.
In this paper, we compare the observed Hubble diagram compiled from 171supernovaeRSdatainthe range of z = 0.0141-8.1 with theoretical Hubble diagrams calculated on the basis of the Lambda cold dark matter ([LAMBDA]CDM) model, the static universe model, and the slowly expanding flat universe (SEU) model that expands according to (5)with [[OMEGA].sub.M] =1.
In the static universe model, for a slow moving observer, the condition v/c [much less than] 1 is fulfilled.
As a physics student, he chafed at the notion of a static universe willing to give up its secrets if humans could just come up with the right mathematical formula.