The Cluster Method (Motions of Galaxies in a Cluster of Galaxies)

question 84

Multiple Choice

The cluster method (motions of galaxies in a cluster of galaxies) can be used to determine the cluster's

• A) luminosity.
• B) distance.
• C) mass.
• D) diameter.
• E) age.

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Definitions:

Net Change Percentage

The percent difference between the closing price of a security on the trading day and its closing price on the previous day.

Electric Rates

Electric rates refer to the cost per unit of electricity that consumers are charged by their utility company, varying based on time of use and location.

Electric Bill

A monthly statement that reflects the cost of electricity consumed by a household or business.

kWh

Kilowatt-hour, a unit of energy measurement representing the amount of energy consumed by a device of one kilowatt operating for one hour.