Multiple Choice
Choose from the list below for the following questions.You may use a choice more than once.
-Which one is used by a main-sequence star of spectral type B2?
A) H fusion by the proton-proton chain
B) H fusion by the CNO cycle
C) helium fusion
D) matter-antimatter annihilation
E) gravitational contraction
Correct Answer:
Verified
Correct Answer:
Verified
Q7: Which of the following properties make flare
Q8: Which stars have convective cores?<br>A)low-mass stars<br>B)intermediate-mass stars<br>C)high-mass
Q9: The following questions refer to the H-R
Q10: The following questions refer to the sketch
Q11: The helium fusion process results in the
Q13: What is a helium flash?<br>A)The ignition of
Q14: Do you think it is possible that
Q15: Why is a 1 solar-mass red giant
Q16: Briefly explain why high-mass stars have shorter
Q17: Our Sun will end its life in