What Accounts for the Different Types of Observed AGNs

question 37

Multiple Choice

What accounts for the different types of observed AGNs?

• A) galaxy's age
• B) galaxy's distance
• C) galaxy's mass
• D) orientation of the galaxy to our line of sight

---

Definitions:

Common Resource

A resource like air or water that is not owned by anyone, cannot be easily excluded from use, and is available for use by more than one person or group.

Nonexcludable

A characteristic of a good or service that prevents individuals from being effectively excluded from its use or benefits.

Free-rider Problem

A situation in which individuals consume more than their fair share or pay less than their fair share of the cost of a shared resource.

Public Good

A good that is non-excludable and non-rivalrous, meaning its consumption by one individual does not reduce its availability to others.