The Flat Rotation Curves of Spiral Galaxies Tell Us That

question 76

Multiple Choice

The flat rotation curves of spiral galaxies tell us that they contain a lot of dark matter. Do they tell us anything about where the dark matter is located within the galaxy?

• A)Yes, they tell us that dark matter is spread uniformly throughout the galactic disk.
• B)Yes, they tell us that dark matter is spread throughout the galaxy, with most located at large distances from the galactic center.
• C)Yes, they tell us that dark matter is concentrated near the center of the galaxy.
• D)No, we cannot determine anything about the location of dark matter from the rotation curve.

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Definitions:

Social Competence

The capacity to interact effectively with others, understanding social cues and responding appropriately in various social situations.

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The evaluation of a role or person by other relevant members of a group or society.

Social Comparison

The desire to evaluate one’s own behavior, abilities, expertise, and opinions by comparing them to those of others.

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A type of play mainly observed in children, involving activities that use repetitive muscle movements, often focusing on the use of objects.