Cosmology

Details Cosmology Cosmology

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007epjst.152..139b&link_type=abstract

The European Physical Journal Special Topics, Volume 152, December 2007, pp.139-181

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Scientific paper

Precise astronomical observations of the cosmic expansion and the anisotropies of the cosmic microwave background have confirmed the simple cosmological “big bang” models. They have also produced evidence for a strange composition of the cosmic matter and energy density. The known baryons contribute only 5 percent to the cosmic substrate, while 25 percent are due to unknown dark matter particles, and 70 percent seem to come from a mysterious dark energy component which presently acts like a cosmological constant accelerating the cosmic expansion.

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