Why can't the lowest mass stars become giants?
A) Their centres never get hot enough.
B) Their rotation is too slow.
C) They do not contain helium.
D) They never use up their hydrogen.
Correct Answer:
Verified
Q22: When material expanding away from a star
Q23: Where is synchrotron radiation produced?
A)in planetary nebulae
B)in
Q24: Why can't massive stars generate energy through
Q25: What is a white dwarf composed of?
A)hydrogen
Q26: What does the Chandrasekhar-Landau limit tell us?
A)Accretion
Q28: After they leave the main sequence,what happens
Q29: When does a type-II supernova occur?
A)when a
Q30: Which of the following is almost always
Q31: What is a planetary nebula?
A)the expelled outer
Q32: What produces synchrotron radiation?
A)objects with temperatures below
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