All Globular Clusters in Our Milky Way Are About How

question 27

Multiple Choice

All globular clusters in our Milky Way are about how old?

• A) less than a million years
• B) ten-fifty million years old
• C) one to three billion years old
• D) around ten billion years old
• E) a variety of ages, from newly born to twenty billions years old

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Definitions:

Cross-Sectional Study

A type of observational research that analyzes data from a population, or a representative subset, at a specific point in time.

Longitudinal Study

A research design that involves repeated observations of the same variables over a period of time, often used to observe developments or changes.

Evolutionary Perspective

An approach in psychology that emphasizes the inherited, adaptive value of behavior and mental activity throughout the history of a species.

Vygotsky

A Russian psychologist known for his work on cognitive development, particularly the concept of the Zone of Proximal Development.