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The largest single-dish radio telescope in the world is the Arecibo Radio Observatory in Puerto Rico. It was built into a large limestone sinkhole and is about 1,000 feet (305 meters) across, 167 feet deep, and covers an area of about twenty acres.
The largest single-dish radio telescope in the world is the Arecibo Radio Observatory in Puerto Rico. It was built into a large limestone sinkhole and is about 1,000 feet (305 meters) across, 167 feet deep, and covers an area of about twenty acres.