Evidence for supernova injection into the solar nebula and the decoupling of r-process nucleosynthesis.

@article{Brennecka2013EvidenceFS,
  title={Evidence for supernova injection into the solar nebula and the decoupling of r-process nucleosynthesis.},
  author={Gregory A. Brennecka and Lars E. Borg and Meenakshi Wadhwa},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2013},
  volume={110 43},
  pages={17241-6}
}
The isotopic composition of our Solar System reflects the blending of materials derived from numerous past nucleosynthetic events, each characterized by a distinct isotopic signature. We show that the isotopic compositions of elements spanning a large mass range in the earliest formed solids in our Solar System, calcium-aluminum-rich inclusions (CAIs), are uniform, and yet distinct from the average Solar System composition. Relative to younger objects in the Solar System, CAIs contain positive… CONTINUE READING
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