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DISF - Interdisciplinary Encyclopaedia of Religion and Science | Anthropic Principle (11283 words) |
 | Nevertheless, such a principle is entirely valid only for a certain cosmological model, those corresponding to a homogeneous and isotropic universe, in which the study of the space-time on medium and large scale, can legitimately leave out of consideration possible dishomogeneities and non-uniformity on a small and local scale. |
| A perfect Cosmological principle, a radicalization of the Cosmological principle, claims that all the magnitudes and properties of the universe should be identical if observed not only in whatever spatial point, but also in whatever instant of time. |
| A perfect Cosmological principle would ask that the expansion of the universe were counter-balanced by the continual creation of new matter and energy, in a way that assures the constancy in time of the global parameters of the universe, such as its overall structure or the distribution of the matter it contains. |
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