Multiple Choice
Choose from the list below for the following questions.You may use a choice more than once.
-Which method of energy generation provides the source of energy for a protostar?
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
Q29: What type of star is our Sun?<br>A)low-mass
Q30: Do you think it is possible that
Q32: The overall helium fusion reaction is<br>A)three helium
Q33: Choose from the list below for the
Q35: This diagram represents the life track of
Q36: Where does gold (the element)come from?<br>A)It is
Q37: Lithium,beryllium,and boron are elements with atomic number
Q38: After a supernova event,what is left behind?<br>A)always
Q39: It is impossible to know whether our
Q66: In any star cluster,stars with lower masses