CNO bi-cycle | has probability 2% of the energy of our Sun | ![has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:42.0 has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:42.0](facet.gif) |
has definition Similar to the CNO cycle, except that it also includes a cycle in which the next-to-last step becomes 15N(p, γ) 16O(p, γ) 17F(β+ν) 17O(p, α) 14N. This reaction occurs once in about 2000 CN cycles. For main-sequence stars greater than a few solar masses, hydrogen burning by the CNO bi-cycle is the main source of energy. | ![has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:42.0 has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:42.0](facet.gif) |
is an instance of carbon cycle | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
carbon cycle | has part product helium | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has part catalyst carbon | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has part catalyst nitrogen | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has part catalyst oxygen | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has part reactant proton | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has reaction 12C(p, γ) 13N(p, γ) 14O(β+ν) 14N(p, γ) 15O(β+ν) 15N(p, α) 12C | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has discovered date 1938 | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has minimum mass 1.5 solar masses | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
produces energy 26.7 MeV | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has catalyst carbon, nitrogen and oxygen | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has temperature dependence E ∝ T15 | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has minimum temperature 15 to 20 million Kelvin | ![2001-09-27 09:29:42.0 2001-09-27 09:29:42.0](facet.gif) |
has synonym Bethe-Weizsäcker cycle | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has synonym CNO cycle | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
hydrogen burning | has next higher temperature reaction helium burning | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has product helium | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has reactant hydrogen | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
exothermic fusion process | liberates energy | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
fusion | has antonym fission | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
has reaction probability | ![2001-09-27 09:29:41.0 2001-09-27 09:29:41.0](facet.gif) |
physical process | has domain physics | ![2001-09-27 09:29:38.0 2001-09-27 09:29:38.0](facet.gif) |