An Astronomer Observes Three Large Spiral Galaxies Within a Radius

question 37

Multiple Choice

An astronomer observes three large spiral galaxies within a radius of 1 Mpc of each other.This is most likely a galaxy:

• A) group.
• B) cluster.
• C) association.
• D) merger.

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The total amount of a good or service that consumers in a given country want to buy at various prices during a specified period.

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