![](http://www.ecns.cn/hd/2019/08/29/2e91b98046cc476e805b764053188be0.jpg)
Aerial photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/6cef9ec539ce4aec9138edf51f2e42f8.jpg)
Photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/dd245108a7c3431e8039da2830f3cf40.jpg)
Photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/bef0fd974db74762a4ceba911a558059.jpg)
Photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/4e1dc9ff599d4eceabe750cecc4f677c.jpg)
Photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/b1cd61ff0a0f4d258be86627c3b10b66.jpg)
Aerial photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/9fb4341b2f0b40b988e94411eb950947.jpg)
Photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/4a2f5aa5652e4acca42349e2d2896d74.jpg)
Aerial photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/cfa3874c308d424d9abbd325c706c633.jpg)
Aerial photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)
![](http://www.ecns.cn/hd/2019/08/29/91c7aa5800e44e718ab8479df14fa988.jpg)
Aerial photo taken on Aug. 27, 2019 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)