The Arecibo Observatory, located approximately 12 miles south-southwest from Arecibo, Puerto Rico, is notable for owning the worlds largest single-aperture telescope of this type.
Question 1:
The Arecibo Observatory, located approximately 12 miles south-southwest from Arecibo, Puerto Rico, is notable for owning the worlds largest single-aperture telescope of this type.
A.Dioptric telescope
B.Radio telescope
C.Catadioptric telescope
D.Catoptric telescope
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