9月25日,位于贵州黔南州平塘县大窝凼的世界最大单口径射电望远镜——500米口径球面射电望远镜(FAST)宣告落成启用,开始探索宇宙深处的奥秘。 A model of the solar system is displayed at "FAST", China's Single-Aperture Spherical telescope, in Pingtang county, Guizhou province, Sept 24, 2016. [Photo/Xinhua]
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