The CNO cycle (for carbon–nitrogen–oxygen; sometimes called Bethe–Weizsäcker cycle after Hans Albrecht Bethe See more

Under conditions of higher temperature and pressure, such as those found in novae and X-ray bursts, the rate of proton captures exceeds … See more

• Aneutronic fusion
• Cold fusion
• Fusion power
• Nuclear fusion
• Proton–proton chain, as found in stars like the Sun See more

Under typical conditions found in stars, catalytic hydrogen burning by the CNO cycles is limited by proton captures. Specifically, the … See more

While the total number of "catalytic" nuclei are conserved in the cycle, in stellar evolution the relative proportions of the nuclei are altered. When the cycle is run to equilibrium, the ratio … See more

• Bethe, H. A. (1939). "Energy Production in Stars". Physical Review. 55 (5): 434–56. Bibcode:1939PhRv...55..434B. doi:
• See more