The First Major Astronomical Prediction of Newton's Theory of Gravitation

question 142

Multiple Choice

The first major astronomical prediction of Newton's theory of gravitation to be confirmed by observation was the:

• A) return of Halley's Comet.
• B) supernova of 1572.
• C) discovery of Pluto.
• D) discovery of Neptune.

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Definitions:

Progressive Relaxation

A technique involving the tightening and then relaxing of different muscle groups to reduce physical tension and stress.

Virtual Reality Exposure Therapy

A form of psychotherapy that uses virtual reality technology to expose patients to simulations of their fears or traumatic memories as a way to treat anxiety disorders.

Counterconditioning Technique

A behavior therapy technique where an undesirable response to a stimulus is replaced with a more desirable response, often used in the treatment of phobias.

Anxiety-arousing Situation

Any circumstance that triggers feelings of anxiety or nervousness.