Research Observatories Do NOT Use Newtonian Reflectors Because They

question 125

Multiple Choice

Research observatories do NOT use Newtonian reflectors because they

• A) cannot be made large enough for modern astronomical work.
• B) are inherently lopsided and cannot support heavy research instruments.
• C) are more sensitive to atmospheric distortions than are refractors.
• D) require two mirrors, whereas the Cassegrain requires only one.

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