Panoramic photo taken on Jan. 8, 2020 shows China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) under maintenance in southwest China's Guizhou Province. China completed commissioning of the world's largest and most sensitive radio telescope on Jan. 11, 2020, putting it into formal operation after a productive three-year trial. (Xinhua/Ou Dongqu)
In pics: China's science and technology achievements in 2020
Source: Xinhua| 2020-12-18 17:51:52|Editor: huaxia