Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987s%26t....74..582d&link_type=abstract
Sky and Telescope (ISSN 0037-6604), vol. 74, Dec. 1987, p. 582-589.
Astronomy and Astrophysics
Astronomy
Elementary Particles, Particle Theory, Antiparticles, Bosons, Fermions, Grand Unified Theory, Hadrons, High Energy Interactions, Leptons, Quarks, Symmetry
Scientific paper
The impact of particle physics on astronomy and cosmology is discussed in a historical context. Consideration is given to the four (recognized) fundamental forces in nature: gravitation, electromagnetism, and 'weak' and 'strong' nuclear forces. Antimatter is discussed as well as fermions and bosons (and their subclasses) and symmetry. Various unification schemes are presented, and it is noted that, depending on the properties of the various cosmions, their gravitating power may be sufficient to halt the expansion of the universe.
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