What Is the Defining Feature of Seyfert Galaxies

question 35

Multiple Choice

What is the defining feature of Seyfert galaxies?

• A)They are more common in isolated galaxies than in close pairs of galaxies.
• B)They have spectra which show that gas in their cores is hot and moving quickly.
• C)They generally show redshifts greater than 6.
• D)They are a type of elliptical galaxy.

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Definitions:

Uniform Design

The creation of a consistent and standardized appearance across products or within an organization.

Mass Production

The manufacture of large quantities of standardized products, often utilizing assembly line technology and automation.

Pure Competition

A market structure characterized by a large number of small firms, identical products, and free entry and exit, leading to price taking behavior.

Monopolistic Competition

A market structure where many firms sell products that are similar but not identical, leading to competition based on quality, price, and marketing.