Hydrodynamical Behaviour of Gas Spheres with Masses of 104 M&sun; to 1020 M&sun;

Details Hydrodynamical Behaviour of Gas Spheres with Masses of 104 M&sun; to 1020 M&sun; Hydrodynamical Behaviour of Gas Spheres with Masses of 104 M&sun; to 1020 M&sun;

Apr 1969

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1969pthph..41.1021m&link_type=abstract

Progress of Theoretical Physics, Vol. 41, No. 4, pp. 1021-1040

Physics

17

Scientific paper

For gas spheres with masses of 104 M&sun; ˜ 1020 M&sun;, the hydrodynamical evolution, beginning from a state where the objects have become opaque, is calculated by means of an electronic computer. The effects of general relativity is included, but energy transport is neglected. The mechanism of bounce, crush and collapse is discussed qualitatively. It is shown that gas spheres with mass greater than about 107 M&sun; cannot escape from the final collapse because of general relativistic effect, though this mass limit depends on the initial condition. Therefore, the cause of the expansion of the metagalactic system cannot be explained in terms of the bounce of a gas sphere with mass about 1020 M&sun;.

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