The Distribution of the Dark Matter in a Spiral Galaxy

question 110

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 but about ten times larger than the stellar disk.
• D)predominantly concentrated in the spiral arms.
• E)flattened in a disk and about the same size as the stellar disk.

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Definitions:

Common Variation

Variability in data that is shared among all observations or variables being studied.

Randomly Occurring

Randomly occurring refers to events or phenomena that happen without a predictable pattern, often analyzed in probability and statistics to understand patterns and occurrences in data.

Assignable Variation

Variation in a process that can be traced to specific causes, as opposed to random or common cause variation.

Malfunctioned

Referred to when an item or system does not operate as intended or fails to perform its required function.