Why not steady and Quasi staedy state?

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SUMMARY

The Big Bang theory is widely accepted due to its alignment with extensive experimental and observational data, while the steady state and quasi steady state theories are largely rejected due to their inconsistencies with these results. Key evidence supporting the Big Bang theory includes quantitative details from cosmic microwave background (CMB) observations, which contradict the predictions made by the alternative theories. A significant paper by Spergel et al. outlines these discrepancies and can be found at http://arxiv.org/abs/astro-ph/0603449.

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Why is the Big Bang theory being largely accepted and why are the steady state and quasi steady state not being accepted?

Sriram
 
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Sriram.S said:
Why is the Big Bang theory being largely accepted and why are the steady state and quasi steady state not being accepted?

Sriram
Because:

a) the former ("the Big Bang theory") is consistent with a huge number of experimental and observational results, within its stated domain of applicability; and

b) the latter ("the steady state and quasi steady state") are inconsistent with a great many such results.

A widely cited paper outlining a) is http://arxiv.org/abs/astro-ph/0603449" , by Spergel et al. (the link takes you to the arXiv preprint).

At an extreme level of summary, it is the quantitative details of the CMB (cosmic microwave background) observations which b) are most strongly inconsistent with.
 
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