Multiple Choice
There is a mass-luminosity relation because
A) hydrogen fusion produces helium.
B) stars expand when they become giants.
C) stars support their weight by making energy.
D) the helium flash occurs in degenerate matter.
E) all stars on the main sequence have about the same radius.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: Cepheid variables can be used to determine
Q13: Which of the following nuclear fuels does
Q14: Helium flash occurs<br>A) because helium is very
Q15: Energy can flow outward from the cores
Q17: A star will experience a helium flash
Q20: Giant and supergiant stars are rare because<br>A)
Q49: Young star clusters have bluer turn-off points
Q51: The pressure of a gas depends on
Q63: The triple-alpha process<br>A) controls the pulsations in
Q113: Some massive stars only live a few