Multiple Choice
A two solar mass star has about 2 times the Sun's supply of nuclear energy.Its luminosity is 10 times that of the Sun.How does the lifetime of the star compare with that of the Sun?
A) 2 times longer
B) The same
C) One-fifth as long
D) One-tenth as long
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q26: What causes Cepheid variables to vary in
Q27: As soon as its core hydrogen is
Q28: Based on your knowledge of the H-R
Q29: The lifetime of a star half the
Q30: When a star is just evolving off
Q31: A planetary nebula is produced by<br>A)A supernova
Q32: What is the triple alpha process?<br>A)A fraternity
Q33: Which of the following cannot be assumed
Q34: What happens when electrons become degenerate?<br>A)Their pressure
Q35: The main sequence lifetime of an O