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Section
5.1, the “Cosmological Principle”
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Isotropic,
homogenous, uniform expansion
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Can
write relativistic equations in different
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forms
(famous names cited here…)
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Weyl’s
postulate: “The particles of the
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substratum
(representing the nebulae) lie in
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space-time
on a bundle of geodesics
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diverging
from a porint in the (finite or
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infinite)
past.”
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