Describe Two Ways in Which You Could Measure the Mass

question 103

Essay

Describe two ways in which you could measure the mass of a galaxy cluster.

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Definitions:

Coronal

refers to a direction in anatomy denoting a plane that divides the body into frontal (anterior) and back (posterior) parts.

Horizontal

Relating to or situated at a right angle to the vertical; parallel to the ground or to the horizon.

Generic Name

The common or non-brand name of a drug, as opposed to its trademarked brand name.

Brand Name

The trade name used by a company to identify its products or services as distinct from others.