| 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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