VIRIAL OSCILLATIONS OF CELESTIAL BODIES .5. THE STRUCTURE OF THE POTENTIAL AND KINETIC ENERGIES OF A CELESTIAL BODY AS A RECORD OF ITS CREATION HISTORY

The physical meaning of the terms of the potential and kinetic energy expressions, expanded by means of the density variation function for a nonuniform selfgravitating sphere, is discussed. The terms of the exp ansions represent the energy and the moment of inertia of the uniform sphere, the energy and the moment of inertia of the nonuniformities in teracting with the uniform sphere, and the energy of the nonuniformiti es interacting with each other. It follows from the physical meaning o f the above components of the energy structure, and also from the obse rvational fact of the expansion of the Universe that the phase transit ion, notably, fusion of particles and nuclei and condensation of liqui d and solid phases of the expanded matter accompanied by release of en ergy, must be the physical cause of initial thermal and gravitational instability of the matter. The released kinetic energy being constrain ed by the general motion of the expansion, develops regional and local turbulent (cyclonic) motion of the matter, which should be the second physical effect responsible for the creation of celestial bodies and their rotation.