Origin of the Elements and Solar System

Details Origin of the Elements and Solar System Origin of the Elements and Solar System

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.2503m&link_type=abstract

American Astronomical Society, 189th AAS Meeting, #25.03; Bulletin of the American Astronomical Society, Vol. 28, p.1306

Astronomy and Astrophysics

Astrophysics

Scientific paper

Our elements came from a massive, spinning supernova (1,2) that collapsed and exploded axially about 5 billion years ago (3), leaving a rotationally-supported (4), equatorial disk of material that formed planets. Interstellar grains did not survive the supernova (SN), which can be dated with Pu-244 and U-238. The sun formed on the SN core. Irradiation from the condensing sun (5) continued to make other radioactivities and fusile elements (D, Li, Be and B). Light elements from the outer SN layers formed giant, Jovian planets. The Fe-rich region surrounding the SN core produced iron cores of the terrestrial planets, and these were layered with a mantle of stony meteorites that formed in an intermediate SN region. Intrasolar diffusion enriches lighter nuclei at the sun's surface.(6) key words: supernova, nucleogenetic heterogeneities, planetary systems, intrasolar diffusion 1. Manuel, O. K. & Sabu, D. D., Science 195, 208 (1977). 2. Lee, J. T., Li, Bin & Manuel, O. K., Comments on Astrophysics 18, no 6, in press (1996). 3. Kuroda, P. K. & Myers, W. A., Radiochim. Acta, in press (1996). 4. Lin, D. N. C., Woosley, S. E. & Bodenheimer, P. H., Nature 353, 827 (1991). 5. Fowler, W. A., Greenstein, J. L. & Hoyle, F., Am. J. Phys. 29, 393 (1961). 6. MacElroy, J. M. D. & Manuel, O. K., J. Geophys. Res. 91, D473 (1986).

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