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How Many Barred Spiral Galaxies Are There Compared with Ordinary

Question 175

Multiple Choice

How many barred spiral galaxies are there compared with ordinary spiral galaxies?


A) There are about half as many barred spirals as there are ordinary spirals.
B) There are about twice as many barred spirals as there are ordinary spirals.
C) About 1 in 10 spiral galaxies contains a bar.
D) The numbers are essentially equal.

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