Multiple Choice
What happens to the helium-rich core of a star after the core runs out of hydrogen?
A) It heats and expands.
B) It contracts and heats.
C) It cools and contracts.
D) It expands and cools.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q32: The event that marks the end of
Q33: The one characteristic that determines a main-sequence
Q34: The evolution of a star is controlled
Q35: The distinct blue color of the nebulosity
Q36: What fraction of the measured mass of
Q38: What fraction of the measured mass of
Q39: In which phase of a star's life
Q40: If a protostar were able to contract
Q41: Of the various phases of matter,the one
Q42: The dusty material being added to a