As a white dwarf, the Sun will be ___. A. a cool and habitable planet B. the same size as the planet Mercury C. thousands of times smaller than it is today D. around 35 million miles in
As a white dwarf, the Sun will be ___.
A. a cool and habitable planet
B. the same size as the planet Mercury
C. thousands of times smaller than it is today
D. around 35 million miles in diameter