Our Current Ideas on Galaxy Formation Suggest That the Visible

question 23

Multiple Choice

Our current ideas on galaxy formation suggest that the visible parts of galaxies

• A) form first and are incorporated into dark matter halos later.
• B) form only in the densest parts of dark matter halos.
• C) can tell you the total size of the dark matter halo.
• D) can tell you everything about the formation history of that galaxy.

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Definitions:

Diseconomies of Scale

Occur when a company or business grows so large that the costs per unit increase.

Management

The process of directing and controlling a group of people or an organization to achieve a set goal by using resources efficiently and effectively.

Information Dissemination

Information dissemination is the process of distributing or spreading information to a wide audience, often through various media or communication channels.

Returns to Scale

The rate at which output increases as inputs are proportionally increased, indicating either increasing, constant, or decreasing efficiency in production.