The Proper Motions of Stars Are

question 107

Multiple Choice

The proper motions of stars are:

• A) easy to measure for most stars on photographs taken six 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.

---

Definitions:

Overregularization

This refers to a common phenomenon in language learning where individuals apply regular grammatical rules to words that are exceptions, often observed in children mastering a language.

Adaptive Problems

Challenges that require adjustment or change in behavior or strategies to effectively address them.

Evolutionary Psychologists

Researchers who study how evolutionary principles, such as natural selection and adaptation, influence human thoughts, feelings, and behaviors.

Availability Heuristic

A mental shortcut that relies on immediate examples that come to a given person's mind when evaluating a specific topic, concept, method or decision.