Observational Tests of World Models *

  title={Observational Tests of World Models *},
  author={A R Sandage and Alan C. Walker},
The standard model of cosmology, based on what has come to be called the Friedmann-Lemaitre-Robertson-Walker (FLRW) model (hereinafter simply the Friedmann model), is now part of scientific culture. The most popular current version leads to the hot big bang (HBB) description events near the beginning of the cosmic expansion, which has often been called a creation2 moment at the beginning of physical time. In this review a prejudice in favor of the HBB [in contrast to cold beginnings discussed… CONTINUE READING