For Gravitational Lensing of a Distant Quasar to Occur, the Galaxy

question 22

Multiple Choice

For gravitational lensing of a distant quasar to occur, the galaxy producing the lensing must

• A) be rotating rapidly to produce the requisite curvature of space to bend the light beam.
• B) be almost perfectly placed on a line between Earth and the quasar.
• C) contain a supermassive black hole at its center.
• D) be a dwarf galaxy; otherwise the quasar's light cannot pass through it and reach Earth.

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Definitions:

Biomedical Therapies

Treatments for mental disorders that involve physiological interventions, such as medication, surgery, or electrical stimulation.

Nervous System

The part of an organism that coordinates its actions by transmitting signals to and from different parts of its body, including the brain, spinal cord, and nerves.

Psychoanalytic Tradition

A school of psychology originating from the work of Sigmund Freud, focusing on unconscious processes influencing behavior.

Repressed

A psychological condition where unwanted or distressing thoughts and memories are unconsciously blocked from conscious awareness.