Multiple Choice
Helium burns in the core of a horizontal branch star via the ________ and produces ________.
A) triple-alpha reaction; carbon
B) proton-proton chain; lithium
C) triple-alpha reaction; oxygen
D) proton-proton chain; iron
E) proton-proton chain; calcium
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q48: Which star spends the longest time as
Q49: A star like the Sun will lose
Q50: A particular asymptotic giant branch star has
Q51: A Type Ia supernova occurs when a
Q52: Asymptotic giant branch stars have _ luminosities,
Q54: What are two ways that Type Ia
Q55: Describe the helium flash that occurs when
Q56: What is the shortest phase of evolution
Q57: What factor is most important in determining
Q58: As a subgiant star becomes a red