Briefly Describe Two Different Ways of Measuring the Mass of a Cluster

question 43

Essay

Briefly describe two different ways of measuring the mass of a cluster of galaxies.

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Definitions:

Population Participation

Often referred to as the labor force participation rate, it measures the proportion of the working-age population that is employed or actively looking for employment.

Labor Force

The total number of people who are available to work, including those who are employed and those who are unemployed but seeking work.

Employed Category

Individuals who are working for pay or profit, actively engaged in a business or have a job from which they are temporarily absent.

Unemployed Category

A classification for individuals who are without a job but are available to work and have actively searched for employment within a specific period.