Observations that distant galaxies __________ is evidence that they are moving away from the Milky Way.
A. are getting dimmer.
B. are getting smaller in size.
C. have redshifted absorption lines.
D. appear much younger than the Milky Way.
Answer:A
Observations that distant galaxies __________ is evidence that they are moving away from the Milky Way.
A. are getting dimmer. B. are getting smaller in size. C. have redshifted absorption lines. D. appear much younger than the Milky Way.