In the Mid-Nineteenth Century,Count Rosse Built the World's Largest Telescope,the

question 93

Multiple Choice

In the mid-nineteenth century,Count Rosse built the world's largest telescope,the "Leviathan of Parsonstown." What major disadvantage did Rosse have in using his telescope at this time?

• A) The mirror, although large, was not made using modern techniques. It had so much distortion that deep sky objects like galaxies could not be seen clearly.
• B) No catalogs of deep sky objects were available, so Rosse did not know where to locate anything of interest.
• C) The telescope used an objective lens rather than a mirror and thus suffered from distortion due to sagging and chromatic aberration.
• D) Photography was not available to record the images Rosse observed.

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Definitions:

Cognitive Therapy

A form of psychotherapy that focuses on changing negative patterns of thought to improve emotional regulation and develop personal coping strategies.

Depression

An emotional health issue defined by a continuous downhearted mood or an absence of pleasure in tasks, significantly affecting daily operations.

Beck

Refers to Aaron T. Beck, a psychiatrist known for his research in psychotherapy, cognitive therapy, and cognitive behavioral therapy.

Systematic Desensitization

A behavioral therapy technique used to reduce phobic responses and anxiety through gradual exposure to the feared object or situation.