You Have Measured the Angular Diameter of a Galaxy

question 20

Multiple Choice

You have measured the angular diameter of a galaxy. What information do you need to determine its actual diameter?

• A) its mass
• B) its age
• C) its stellar classification
• D) its distance

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Definitions:

College Psychology

A field of study in higher education focused on understanding human behavior and mental processes.

Psychotherapy

A therapeutic approach involving psychological techniques, intended to treat mental health issues by exploring thoughts, feelings, and behaviors.

Effectiveness

The degree to which a process, action, or methodology successfully achieves its intended outcomes or results.

Clients' Perceptions

The way clients view and interpret their experiences or circumstances, often important in therapeutic outcomes.