The Distribution of the Dark Matter in a Spiral Galaxy

question 91

Multiple Choice

The distribution of the dark matter in a spiral galaxy is

• A)approximately spherical and about the same size as the galaxy halo.
• B)approximately spherical and about ten times the size of the galaxy halo.
• C)flattened in a disk and about the same size as the stellar disk.
• D)flattened in a disk but about ten times larger than the stellar disk.
• E)predominantly concentrated in the spiral arms.

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