Flatness of the Universe: Reconciling Theoretical Prejudices with Observational Data
Michael S. TurnerTheoretical Astrophysics, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, and The University of Chicago, Chicago, Illinois 60637Gary SteigmanTheoretical Astrophysics, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, and The University of Chicago, Chicago, Illinois 60637Lawrence M. KraussTheoretical Astrophysics, Fermi National Accelerator Laboratory, Batavia, Illinois 60510, and The University of Chicago, Chicago, Illinois 60637
1984en
ABI
Аннотация
Theoretical prejudices argue strongly for a flat Universe; however, observations do not support this view. We point out that this apparent conflict could be resolved if the mass density of the Universe today were dominated by (i) relativistic particles produced by the recent decay of a massive, relic particle species, or by (ii) a relic cosmological constant. Scenario (i) has several advantages in the context of galaxy formation, but must confront the problem of a young Universe.
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