Scientists Estimate the Following Quantities for the Coma Cluster: the Total

question 35

Multiple Choice

Scientists estimate the following quantities for the Coma Cluster: the total mass of the cluster is M_total ~ 1.3 *10¹⁵ M_SUN, the total mass of all stars is M_stars ~ 3 *10¹³ M_SUN, and the mass of the hot X-ray-emitting gas is M_gas ~ 1 * 10¹⁴ M_SUN.What is the corresponding percentage of dark matter within the Coma Cluster?

• A) 4 percent
• B) 25 percent
• C) 72 percent
• D) 90 percent
• E) There is no dark matter contribution.

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Definitions:

Style Flexing

The ability to adjust one's communication style to effectively interact with various individuals.

Directive Style

A leadership approach characterized by giving clear, strong instructions and expecting compliance without much discussion or input from others.

Emotive Style

The manner in which an individual expresses their feelings and emotions.

Reflective Style

A communication or thinking approach that focuses on contemplation, introspection, and careful consideration of one’s own experiences and actions.