A New Generation of Ground-Based Telescopes Is Currently Being Built

question 107

Multiple Choice

A new generation of ground-based telescopes is currently being built that overcomes the limitations of the older large telescopes. Some of these new telescopes

• A)use segmented mirrors.
• B)use mirrors that are very thin.
• C)use active optics to control the shape of the mirror.
• D)All of the other choices are correct.
• E)None of the other choices are correct.

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Definitions:

Displacement

Diverting emotional feelings (usually anger) from their original source to a substitute target.

Learned Helplessness

Passive behavior produced by exposure to unavoidable aversive events.

Pessimistic Explanatory Style

A tendency to explain negative events as being pervasive, permanent, and personal.

Depression

A common mental disorder characterized by persistent sadness, a lack of interest in activities, and a decreased ability to enjoy life.