Which of These Statements Describes a Way in Which Galaxies

question 165

Multiple Choice

Which of these statements describes a way in which galaxies evolve on the Hubble tuning-fork diagram?

• A) Galaxies begin as type E0 and evolve to lenticular and then continue as either normal or barred spirals.
• B) Galaxies are created as either normal or barred spirals, but either eventually evolves to lenticular. These then evolve through the various types of ellipticals.
• C) Everything starts as a lenticular galaxy. Then, for reasons not well understood, the subsequent evolution is either as a spiral (normal or barred) or as an elliptical.
• D) Spiral galaxies merge to form giant elliptical galaxies.

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Definitions:

Cognitive Dissonance

The psychological unease felt when a person simultaneously holds conflicting beliefs, ideas, or values.

Operant Conditioning

A learning process in psychology that uses rewards and punishments to modify behaviors.

Classical Conditioning

A learning process in which an originally neutral stimulus becomes associated with a specific response due to pairing with a stimulus that naturally evokes that response.

Implicit Personality Theory

Sets of assumptions about how different types of people, personality traits, and actions are related to each other.