What is the meaning of the phrase "Grand Unified Theory" when applied to particle physics and cosmology?

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    It denotes a possible future theory that might explain gravity and electromagnetism simultaneously.
     It is a label given to postulated models that simultaneously might explain electromagnetism, the weak force, and the strong nuclear force.
     It means that all scientists agree on the interpretation and implementation of the details of the theory.
     It means a theoretical model that can explain both star formation and supernova explosion.
     It means that all forces in nature would be explained by a single all-encompassing theory.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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It is a label given to postulated models that simultaneously might explain electromagnetism, the weak force, and the strong nuclear force.
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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