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How Do We Know That Halo Stars Are Older,on Average,than

question 74

Multiple Choice

How do we know that halo stars are older,on average,than disk stars?


Definitions:

Key Words

Important terms or phrases used in a text or research that capture the main points or themes.

External World

The reality existing outside an individual's mind, perceived through the senses.

Validity

A measure of whether a test measures what it is supposed to measure.

Task-Oriented

Focused or centered on the completion of specific tasks or objectives rather than on broader goals or social interactions.

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