Elementary particles and cosmology (Metagalaxy and Universe)
Space Research Institute, Russian Academy of Sciences, ul. Profsoyuznaya 84/32, Moscow, 117997, Russian Federation
The close relation between cosmology and the theory of elementary particles is analyzed in the light of prospects of a unified field theory. The unity of their respective problems and solution methodologies is indicated. The difference between the concepts of ’Metagalaxy’ and ’Universe’ is emphasized and some possible schemes for estimating the size of the Universe are pointed out.