阿雷西博望远镜垮塌
2020年12月09日 Arecibo Telescope Collapse Video Credit: Arecibo Observatory, NSF Explanation: This was one great scientific instrument. Starting in 1963, the 305-meters across Arecibo Telescope in Puerto Rico USA reigned as the largest single-dish radio telescope in the world for over 50 years. Among numerous firsts and milestones, data from Arecibo has been us...