A tuning fork diagram is shown below.Which of the labeled figures represents an Sa galaxy? 
A) 1
B) 2
C) 3
D) 4
E) 5
Correct Answer:
Verified
Q13: The mass of a single galaxy might
Q14: An E galaxy contains
A) mostly lower-main sequence
Q15: The most massive galaxies are
A) spiral galaxies.
B)
Q16: Super massive black holes in galaxies
A) are
Q17: Which of the following could NOT be
Q19: The dark matter in galaxies has been
Q20: The look-back time is
A) how long the
Q21: What distance method did Edwin Hubble use
Q22: The figure shows an image of our
Q82: The Andromeda spiral galaxy is almost edge-on
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