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cosmological principle

   Also found in: Wikipedia 0.06 sec.

cosmological principle

In astronomy, hypothesis that the universe appears the same on the large scale from any point; that is, that the density, temperature, and other properties of matter are on average the same everywhere. One consequence of the principle is that the expansion of the universe has no centre; all galaxies are moving away from one another.
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As Barrow says in much greater detail in his book with Frank Tipler, The Anthropic Cosmological Principle (Oxford University Press), galactic hydrogen and helium had to have billions of years to condense into galaxies of stars.
Quantum Leaps by Barnes, Michael H. / Commonweal
Chua's demonstration of Vincenzo Galilei's ambivalence toward the rationalization of music that Galilei himself had advocated through "correction" of the Pythagorean tuning ratios, which in antiquity where taken as cosmological principles.
Reading Renaissance music theory: Hearing with the Eyes and Music ... by Sullivan, Blair / Renaissance Quarterly
The Cosmological Principle is taking a beating these days.
Getting the drift of galaxies by Thomsen, Dietrick E. / Science News
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