The Proper Motions of Stars Are

question 138

Multiple Choice

The proper motions of stars are

• A) easy to measure for most stars on photographs taken 6 months apart.
• B) noticeable to the unaided eye as a gradual shift of the constellations westward over the course of a month or two.
• C) easy to observe with the unaided eye over the course of an hour or two.
• D) difficult to measure even on photographs taken several years apart for any but the nearest stars.

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Definitions:

Survival

The act or process of living through an event, condition, or situation, typically involving hardship or threat to life.

Specific Associations

The linkages between certain stimuli and particular responses or behaviors, often highlighted in the study of behaviorism and learning.

Operant Conditioning

A learning process in psychology where the strength of a behavior is modified by reinforcement or punishment.

Learned Association

Learned association is a fundamental concept in psychology that involves connecting two stimuli or events in the mind, leading to a change in behavior.