(fast ) in pingtang county guizhou province china became operational on 25 sep 2016.boasting a diameter of 5oom (1,640 ft) it dwarfs the previous record holder the arecibo observatory on puerto rico which has a diameter of 305m (1,000 ft). The dish incorporates 4,450 triangular panels each with a side length of 11m (36 ft ) it took five years to complete fast at cost of 1.2 bn yuan (180 m and 138 m ) astronomers will use the highly sensitive dish to search for signals form stars and galaxies and what china's official press agency xinhua news refers to as interstellar communications signal it other word signs intelligent life.
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