论文部分内容阅读
美国科技人员正在夏威夷的凯克天文台架设一座世界上最大的天文望远镜。这座天文望远镜共有36个玻璃反射镜,每个约重363kg,它们将于1991年下半年安装完毕。这座望远镜的聚光能力将比帕洛
U.S. scientists and technicians are setting up one of the world’s largest telescopes at the Keck Observatory in Hawaii. The telescope has a total of 36 glass mirrors, each weighing about 363kg, they will be installed in the second half of 1991. This telescope will be more concentrated than Palo