Why Do the Main Sequence Stars Have Similar Chemical Composition?

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DOI: 10.4236/ijaa.2012.21006    3,624 Downloads   7,244 Views  

ABSTRACT

In this short note we have reconsidered the Jeans criterion for gravitational contraction of a gas nebula at different temperatures, from the present-day background radiation temperature (2.8 K) to those which existed at the early stage of the Universe. We demonstrate that the initial mass of quasars cannot be of the order of single galaxy masses, but rather 106 solar mass only. If they have larger masses, it must be the result of subsequent accretion process. Nevertheless quasars, formed prior to the stars, were the immediate source of the elements heavier than helium.

Cite this paper

S. Halas and T. Durakiewicz, "Why Do the Main Sequence Stars Have Similar Chemical Composition?," International Journal of Astronomy and Astrophysics, Vol. 2 No. 1, 2012, pp. 37-38. doi: 10.4236/ijaa.2012.21006.

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1] E. M. Burbidge, G. R. Burbidge, W. A. Fowler and F. Hoyle, “Synthesis of the Elements in Stars,” Reviews of Modern Physics, Vol. 29, No. 4, 1957, pp. 547-650. doi:10.1103/RevModPhys.29.547
[2] R. Q. Huang and K. N. Yu, “Stellar Astrophysics,” Springer-Verlag, Singapore, 1998.
[3] G. Carro, Y. K. Ng and L. Portinari, “On the Galactic Disc Age Metallicity Relation,” Monthly Notices of the Royal Astronomical Society, Vol. 296, No. 4, 1998, pp. 1045-1056. doi:10.1046/j.1365-8711.1998.01460.x
[4] J. Jeans, “Astronomy and Cosmology,” Cambridge University Press, Cambridge, Republished 1961.
[5] J. M. Pasachoff and M. L. Kutner, “University Astronomy,” W.B. Saunders Co., Philadelphia, 1978.
[6] M. Demiański, “Relativistic Astrophysics (in Polish),” Chapter 10, PWN Warszawa, 1991.

  
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