Solar Neutrinos, Martian Rivers, and Praesepe

@article{Sagan1973SolarNM,
  title={Solar Neutrinos, Martian Rivers, and Praesepe},
  author={Carl Sagan and Andrew T. Young},
  journal={Nature},
  year={1973},
  volume={243},
  pages={459-460}
}
THE detection rate of solar neutrinos is significantly below the value predicted by contemporary theories of solar structure and evolution1,2. The most likely—or at least best advertised—explanation of the discrepancy is episodic and probably periodic core expansion in the Sun3; in the models developed to date, mixing of 3He, produced by the p–p process, is… CONTINUE READING