Multiple Choice
Star E is the same temperature as star F, but star E is four times as luminous as star F. How do the radii of the stars compare?
A) Star E has twice the radius of star F.
B) Star E has four times the radius of star F.
C) Star F has twice the radius of star E.
D) Star F has four times the radius of star E.
E) They are the same size.
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Roughly what percentage of stars in our
Q34: Stars of spectral class O have the
Q36: A star with a stellar parallax of
Q37: If a star's parallax is measured using
Q38: What is the difference between brightness and
Q40: Rigel is a star with an apparent
Q42: A star's mass is the only characteristic
Q43: If a star's measured parallax is 0.2
Q43: A star's mass determines where it lies
Q44: If star A has a temperature that