| Refining
the Big Bang |
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| | Flatness Problem why so close to a critical
universe? |
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| | Horizon Problem why is background all same T? |
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| | SOLVED BY AN INFLATIONARY UNIVERSE |
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| | Grand Unified Theories of combined |
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| Gravity/Weak/Electric/Nuclear forces predict very
rapid |
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| expansion at very early time: inflation |
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| | When inflation ends, all matter moving away with
v=vescape |
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| (flat universe curvature forced to zero) |
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| | Also solves horizon problem everything was
in causal contact |
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