If You Found a Star Cluster That Was 13 Billion

question 45

Multiple Choice

If you found a star cluster that was 13 billion years old and whose stars had fractions of heavy elements that were 100 times less than that in the Sun, what type of star cluster would this be and where would it most likely be located?

• A) an open cluster that is likely to be in the disk
• B) an open cluster that is likely to be in the stellar halo
• C) a globular cluster that is likely to be in the thin disk
• D) a globular cluster that is likely to be in the stellar halo
• E) a globular cluster that is likely to be in the central bar

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Definitions:

Feature Definition

The aspect of cognitive psychology focused on how features of objects are perceived and processed in the brain.

Prototype Matching

A cognitive process where new stimuli are identified and categorized based on their resemblance to a known prototype or standard example.

Idealized Representations

Simplified or perfected models or images of objects, people, or concepts that might not exist in reality but are created for the sake of argument, theory, or research.

Abstract Dot Patterns

Visual stimuli made up of dots arranged in patterns that do not represent specific objects, often used in psychological experiments to study perception or memory.