Multiple Choice
Stars spend the majority of their lives
A) creating hydrogen from heavier elements absorbing energy in the process.
B) creating hydrogen from heavier elements releasing energy in the process.
C) consuming hydrogen and forging heavier elements absorbing energy in the process.
D) consuming hydrogen and forging heavier elements releasing energy in the process.
Correct Answer:
Verified
Correct Answer:
Verified
Q76: The most likely places in which stars
Q77: Why does helium fusion require much higher
Q78: Stars in a second red-giant phase are<br>A)
Q79: The stellar remnant left at the end
Q80: What is the most abundant element in
Q82: Population I stars are members of a
Q83: What is a protostar?<br>A) A contracting sphere
Q84: What is the most important factor that
Q85: Protostars with emission lines as well as
Q86: A reflection nebula is made visible by<br>A)