The Tully-Fisher Relation (Looking at Rotation Speeds) Only Works For

question 21

Multiple Choice

The Tully-Fisher relation (looking at rotation speeds) only works for:

• A) elliptical galaxies
• B) the very closest galaxies, within a few dozen million light-years
• C) galaxies that have a Type Ia supernova explosion in them
• D) spiral galaxies
• E) galaxies that we are observing from right around the time of the big bang

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Definitions:

Mere Exposure Effect

is a psychological phenomenon wherein individuals develop a preference for things or people they are frequently exposed to, even if there is no conscious recognition of familiarity.

Skeptical Customers

Consumers who approach products or services with doubt and require convincing evidence before making a purchase.

Emotional Appeals

A persuasive technique that attempts to arouse emotional responses in the audience, often used in advertising and speeches to influence attitudes and behaviors.

Cognitive Dissonance

A psychological phenomenon where an individual experiences discomfort from holding two or more conflicting beliefs, ideas, or values.