Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003acasn..44..231h&link_type=abstract
Acta Astronomica Sinica, vol. 44, no. 3, p. 231-239
Astronomy and Astrophysics
Astronomy
1
Solar System: Formation, Astrochemistry, Short-Lived Radionuclides
Scientific paper
It reviews the evidence for short-lived radionuclides in the early solar system and evaluates models for their origins. The stellar model requires that some freshly-nucleosynthesized radionuclides were injected into the protosolar cloud shortly before it began to collapse. The spallation model suggests that these isotopes were the products of interaction between energetic particles and gases/dusts in the protosolar cloud or solar nebula. A brief discussion was given to the new theory for the solar system formation---X-wind model.
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