Evolution, a(t), for most classes of FRW models. Primary division is into closed/flat/open geometries (top/middle/lower); and negative/zero/positive cosmological constant (left/center/right).
Figure from Open University text "Galaxies and Cosmology"
The Various FRW Models |
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Evolution, a(t), for most classes of FRW models. Primary division is into closed/flat/open geometries (top/middle/lower); and negative/zero/positive cosmological constant (left/center/right). |
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Figure from Open University text "Galaxies and Cosmology" |