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The 500-meter aperture spherical telescope FAST is completed in Pingtang County， southwest China’s Guizhou Province， on June 21. FAST is expected to be the world’s largest telescope， overtaking Puert
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The 500-meter aperture spherical telescope FAST is completed in Pingtang County， southwest China’s Guizhou Province， on June 21.
FAST is expected to be the world’s largest telescope， overtaking Puerto Rico’s Arecibo Observatory， which is 300 meters in diameter.
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