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steady-state theory

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 Compare big-bang theory
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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