Quasars

question 33

Multiple Choice

Quasars

• A) are weak sources of light and radio waves.
• B) are large in view of the energy they emit.
• C) show relatively small red shifts, which suggests they are not far away.
• D) seem to have massive black holes at their centers.

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Definitions:

New Shelters

Structures or locations designated as places of safety or refuge, commonly used to refer to housing solutions for the homeless or victims of disasters.

Smiling Behavior

Smiling behavior involves the upward curvature of the mouth, which is universally recognized as an expression of happiness, friendliness, or amusement.

Facial Expressions

Visible changes in the facial muscles that convey emotions, intentions, or reactions.

Internal Events

experiences or processes that occur within an individual's mind, such as thoughts, feelings, and imaginings, not observable by others.