A Galaxy Rotation Curve Is a Plot of the Rotation

question 57

Multiple Choice

A galaxy rotation curve is a plot of the rotation speed as a function of the

• A) galaxy's luminosity.
• B) mass of the dark matter halo.
• C) brightness of the luminous matter in the galaxy.
• D) radius from the center.

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Definitions:

Diagnostic Criteria

Are a set of standardized guidelines used to determine the presence of a particular mental or physical health condition.

Hyperactivity

A condition characterized by excessive movement, impulsivity, and difficulty maintaining attention, often seen in disorders such as ADHD.

Impulsivity

A tendency to act quickly without adequate thought or consideration of the consequences.

Inattention

A lack of focus or concentration on tasks at hand, which can lead to difficulties in learning, work performance, and day-to-day activities.