Photo taken on June 27, 2016 shows the Five-hundred-meter Aperture Spherical Telescope (FAST) under the stars in Pingtang county, Southwest China's Guizhou province. The China-based FAST, the world's largest single-dish radio telescope, has identified two pulsars after one year of trial operation, the National Astronomical Observatories of China (NAOC) said on Oct 10, 2017. [Photo/Xinhua]
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