Mathematics – Logic
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989lastr......151a&link_type=abstract
L'Astronomie (ISSN 0004-6302), April 1989, p. 151-157. In French.
Mathematics
Logic
Astronomical Models, Big Bang Cosmology, Chronology, Universe, Cosmochemistry, Existence, Radioactive Age Determination, Relativistic Theory, Relic Radiation, Space-Time Functions
Scientific paper
Theories relating to the architecture, origin, and age of the universe are reviewed. Models for a cooling and expanding universe are supported by such experimental findings as the discovery of 2.7-K thermal radiation and the determination of the cosmological abundances of elements. Measurememts of cosmological heavy nuclei have led to a Galactic age estimation of 7-15 billion years, while astrophysical calculations based upon observed luminosities have led to an age estimation for globular clusters (the oldest objects in the Galaxy) of 13-19 billion years old. Implications of the Big Bang theory are considered.
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