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全球最大射电望远镜有望于今年7月开建2028年投入观测

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2021-03-04 11:34:07 转载来源: 环球网

【综合报道】据新华社报道,SKA中国首席科学家武向平于3月3日表示,世界最大射电望远镜SKA(平方公里阵列射电望远镜)有望于2021年7月开始建设。官方信息显示,SKA总部位于英国,由全球十多个国家共同出资建造、运行、维护和管理,是一部超越国界的全球大科学装置

【综合报道】据新华社报道,SKA中国首席科学家武向平于3月3日表示,世界最大射电望远镜SKA(平方公里阵列射电望远镜)有望于2021年7月开始建设。

官方信息显示,SKA总部位于英国,由全球十多个国家共同出资建造、运行、维护和管理,是一部超越国界的全球大科学装置。2019年,包括中国在内的7个创始成员国正式签署SKA天文台公约。

据武向平介绍,目前SKA已从概念设计转向工程实施。时间方面,SKA将于2021年7月开始建设,预计2028年将建成10%的规模并投入观测。

此外,SKA两个台址各自位于南非及南部非洲8国、澳大利亚西部的无线电宁静区域,将分别由分布在3000公里范围内的2500面15米到13.5米口径碟形天线、250个直径60米的致密孔径阵列,以及130万只对数周期天线组成的稀疏孔径阵列组成,其等效接收面积达平方公里级,频率覆盖范围为50兆赫至20千兆赫。

武向平指出,未来10年,中国SKA科学团队将围绕宇宙再电离探测、脉冲星搜寻、测时和引力理论检验等10个科学方向开展研究和攻关。同时,中国天文学家也正在以“中国天眼”(FAST)为中心,构建中国射电望远镜网络大格局。

标签: 全球 最大 射电 望远镜 有望 于今年 今年 7月 开建


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