Inhomogeneous cosmology
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An inhomogeneous cosmology is a physical cosmological theory which, unlike the dominant cosmological concordance model, postulates that inhomogeneities in the distribution of matter across the univers
Possible shapes of the universe
Timeline of the universe according to the CMB
Copernican principle
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In physical cosmology, the Copernican principle states that humans are not privileged observers of the universe, that observations from the Earth are representative of observations from the average po
Figure 'M' (for Latin Mundus) from Johannes Kepler's 1617–1621 Epitome Astronomiae Copernicanae, showing the Earth as belonging to just one of any number of similar stars