Answers for Test D
Multiple Choice
a
b
c
c
c
c
a
b
c
c
c
b
a
c
d
d
c
b
a
d
Fill-in
Cepheid variable stars
Harlow Shapley
galactic halo
irregular
Magellanic Clouds.
Hubble
COBE or WMAP
quasars
M 87
Olbers' paradox