Some Large Clusters of Galaxies Do Not Appear to Contain

question 1

True/False

Some large clusters of galaxies do not appear to contain enough mass to hold themselves together.

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Semester Hours

Units of credit typically representing one hour of lecture or classroom time per week over a semester.

Day Students

Students who attend classes during the day and typically return home in the evening, as opposed to boarding students.

Evening Students

Students who attend classes or courses during the evening hours, often due to day-time commitments.

Bonus Plan

A rewards program offered by employers which provides employees with extra payment or incentives based on performance criteria.