"fusion" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Since the luminosity rises, the star expands so that the helium fusion ceases, and the hydrogen shell burning restarts.
- During helium fusion, stars build up an inert core rich in carbon and oxygen.
- The carbon and oxygen from helium fusion would be valuable resources in themselves, he realized.
- Carbon-related stars are stars whose spectra indicate production of carbon by helium triple-alpha fusion.
- This star is primarily composed of a carbon-oxygen mixture that was generated by helium fusion in the progenitor star.
- This eventually leads to ignition of helium fusion (which includes the triple-alpha process) in the core.
- In more massive stars, the ignition of helium fusion occurs relatively quietly.
- After the flash, helium fusion continues at an exponentially decaying rate for about 40% of the cycle as the helium shell is consumed.
- Intermediate-mass stars undergo helium fusion and develop a degenerate carbon-oxygen core.
- Eventually the core is compressed enough to start helium fusion, and the star now gradually shrinks in radius and its surface temperature increases.
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