If the Earth were represented as a basketball (10 in) and the Moon as a baseball (3 in) then, to order of magnitude, what size would best represent the diameter of the Sun?
a. 10 ft
b. 100 ft
c. 1000 ft
d. 10000 ft
Question 2
The Milky Way Galaxy is
a. a spiral galaxy.
b. part of a cluster of galaxies that contains a few dozen galaxies.
c. about 80,000 light years in diameter.
d. all of the above.