The more massive a white dwarf, the
A) higher its temperature.
B) smaller its radius.
C) larger its radius.
D) higher its luminosity.
Question 2
Suppose we imagine the Sun to be about the size of a grapefruit. How far away are the nearest stars (the three stars of Alpha Centauri)?
A) the length of a football field (100 meters)
B) across town
C) across the state
D) across the United States
E) 25,000 miles