What type of galaxy is this?
A) a giant elliptical
B) a regular spiral galaxy
C) an irregular galaxy
D) a barred spiral
E) a dwarf elliptical
Correct Answer:
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Q8: In spiral galaxies, the size of the
Q32: Which of the following would NOT be
Q33: What type of galaxy is this?
Q34: Why is 21-cm radiation a good tracer
Q35: Approximately _ of spiral galaxies are barred.
A)
Q36: Spiral structure can be triggered in a
Q38: Stars in the disks of spiral galaxies
Q40: Spiral structure:
A) rotates at the same speed
Q42: How did astronomers determine that elliptical galaxies
Q60: What makes up the majority of the
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