Orion Glossary
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terrestrial planetA planet similar in size to the Earth, composed of rocky materials (cf. giant planet). | |
thermal pulsesThermal pulses are brief bursts of enhanced energy production in solar mass stars due to the instabilities inherent in helium shell burning. | |
triple-alpha processA sequence of nuclear fusion reactions that occurs in the cores of high-mass stars. In this sequence, three helium nuclei are converted into a carbon nucleus. | |