Not Only Does the Central Engine of Active Galaxies and Quasars

question 55

Multiple Choice

Not only does the central engine of active galaxies and quasars require a black hole,but also ________ to provide the radiate energy.

• A) globular clusters for food
• B) a very strong magnetic field from neutron stars
• C) a source of high-energy electrons for synchrotron radiation
• D) an accretion disk of infalling matter
• E) a high rate of rotation for the black hole

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Definitions:

Separating Equilibrium

A situation in game theory where different types of players (usually with different information) choose different strategies, allowing their types to be inferred by others.

Dull Lectures

Lectures that are uninteresting and fail to engage the audience or students.

Equilibrium

A state in a market where supply equals demand, and there is no tendency for the price or quantity to change.

Lemons

In economic terms, 'lemons' often refer to products of significantly lesser quality sold to consumers who have limited information about their true nature, especially used in the context of the used car market.