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Report on expansion history of universe

  1. Apr 16, 2013 #1

    wolram

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  2. jcsd
  3. Apr 16, 2013 #2
    That is a good article the data on the last 10 E foldings is interesting
     
  4. Apr 16, 2013 #3

    wolram

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    What do they mean by [providing sensitivity to the microphysics of components,
    e.g. their sound speed.]
     
  5. Apr 16, 2013 #4
    The simple explanation if I'm reading that line correctly is that small historical perturbations will show in the CMB background I.E. perturbations caused by sound, temperature variations etc. The CMB will keep a memory of those past perturbations.

    by the way welcome to the forum
     
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