The Unusually Bright Centers Found in Some Galaxies Are Called

question 39

Multiple Choice

The unusually bright centers found in some galaxies are called

• A)active galactic nuclei.
• B)halos.
• C)supermassive black holes.
• D)starbursts.

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Definitions:

Kinetic Energy

The energy possessed by an object due to its motion.

Gaseous System

A collection of gas particles within a defined space, where the particles move freely and interact, applicable in studies of thermodynamics and physical chemistry.

Kinetic Energy

The energy possessed by an object due to its motion, directly proportional to the mass of the object and the square of its velocity.

Lower Explosive Limit

The minimum concentration of a vapor in air below which propagation of flame does not occur on contact with a source of ignition.