The Type I Tail of a Comet Shows a Spectrum

question 58

Multiple Choice

The type I tail of a comet shows a spectrum of bright lines on a dark background of space (an emission line spectrum) .From this,one can conclude that the tail contains

• A) dust.
• B) thin gas.
• C) no atoms at all,just empty space.
• D) the spectrum does not tell which of the above is true.

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Definitions:

Rational-Emotive Therapist

A professional who practices Rational Emotive Behavior Therapy (REBT), a form of psychotherapy that focuses on identifying and changing irrational beliefs.

Behavior Therapist

A professional who uses principles of learning and conditioning to treat psychological disorders and improve behavior.

Psychotherapy

A therapeutic treatment approach involving psychological methods, particularly when based on regular personal interaction to help a person change behavior and overcome problems in desired ways.

Transference

denotes the redirection of a patient's feelings for a significant person to the therapist, often observed in psychoanalytic therapy.