A massive star will end its main-sequence lifetime when:
A. gravity is too strong.
B. convection currents stop.
C. core temperatures get too cold.
D. no hydrogen is left in the core.
Answer:D
A massive star will end its main-sequence lifetime when:
A. gravity is too strong. B. convection currents stop. C. core temperatures get too cold. D. no hydrogen is left in the core.