The High Temperature and Pressure of Gas in the Intracluster

question 55

Multiple Choice

The high temperature and pressure of gas in the intracluster medium of galaxy clusters implies that:

• A) clusters are in the midst of expanding.
• B) clusters host powerful active galactic nuclei.
• C) many of the cluster galaxies are obscured by absorption from the intracluster medium.
• D) clusters are dominated by dark matter.

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Definitions:

Personal Distress

A negative emotional response to a stressful situation, which is personal and subjective in nature.

Medical Model

A framework that views abnormalities or illnesses primarily as the result of biological factors and which should be treated through medical intervention.

Prognosis

A forecast or prediction about the likely outcome or course of a disease based on the individual’s condition and medical knowledge.

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