Steady State Theory (noun) Definition, Meaning & Examples

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noun Astronomy.
  1. a theory in which the universe is assumed to have average properties that are constant in space and time so that new matter must be continuously and spontaneously created to maintain average densities as the universe expands.
noun
  1. a cosmological theory postulating that the universe exists throughout time in a steady state such that the average density of matter does not vary with distance or time. Matter is continuously created in the space left by the receding stars and galaxies of the expanding universe
    Steady State Theory (noun) Definition, Meaning & Examples

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