A Certain Spiral Galaxy Has Approximately 100 Billion Solar Masses

question 47

Multiple Choice

A certain spiral galaxy has approximately 100 billion solar masses of stars, gas, and dust. Which of the following is likely to be closest to the mass of dark matter it contains?

• A) 100 billion solar masses
• B) 200 billion solar masses
• C) 1 trillion solar masses
• D) 100 trillion solar masses

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Definitions:

Social Responsibility

The obligation of individuals or organizations to act for the benefit of society at large.

Amalgamated Enterprises

Companies that have combined or merged their resources and operations to form a single, larger organization.

Small U.S. Town

A smaller, typically more rural community in the United States, characterized by a lower population density.

Foreign Country

A nation that is outside one's own country's territorial boundaries and sovereignty.