Centaurus a Is a Radio Galaxy That Has a Visible

question 103

Multiple Choice

Centaurus A is a radio galaxy that has a visible galaxy at the center. This central elliptical galaxy of Centaurus A is encircled by a ring of gas and dust, different from most elliptical galaxies. The dust ring orbits about an axis that is perpendicular to the axis of rotation of the elliptical galaxy. What does this suggest about this central elliptical galaxy of Centaurus A

• A)The radio jets have caused the dust disk to be driven around the elliptical galaxy.
• B)There are at least two black holes at the center of the elliptical galaxy.
• C)Centaurus A is probably the result of a merger of an elliptical galaxy and a spiral galaxy.
• D)Dust is produced as the jets interact with the intergalactic medium.
• E)Elliptical galaxies often contain dust that forms a disk along their rotation axis.

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Definitions:

Coercive Power

Authority or power that is based on the ability to punish or inflict sanctions on others.

Referent Power

Referent Power is a form of influence based on the charisma or likeability of an individual, leading others to emulate or follow them voluntarily.

Reward Power

The ability to influence others' behavior through the offering of positive incentives or benefits.

Legitimate Power

refers to the authority that an individual or entity has, recognized as rightful by those who are governed or led.