| Main Tests of the Big Bang |
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| • | Hubble
Expansion (not a test really, inspiration) |
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| • | Cosmic
Microwave Background |
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| • | Abundance
of light elements |
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| Refinements
of Big Bang Still Being Tested |
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| – | Possible
“cosmological constant” |
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| – | Very
early history: |
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| • | particle/antiparticle
asymmetry |
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| • | “inflation”
-- Details of very early very rapid expansion |
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| • | small
, T fluctuations which lead to galaxies |
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