首页 新闻 美提出在月背安装射电望远镜
美提出在月背安装射电望远镜

美提出在月背安装射电望远镜

  科技日报北京12月17日电 (记者胡定坤)一个由美国国家航空航天局(NASA)资助的研究团队日前发布报告,提出在月球背面安装低频率阵列射电望远镜,用于观测系外恒星系统、寻找宜居行星等任务。据悉,该团队由来自科罗拉多大学波德分校、加州理工大学、NASA喷气推进实验室、亚利桑那州立大学等多个机构的研究人员组成。
  按照报告中的方案,整个阵列射电望远镜的建设由一台直径4米、高6米的着陆器“一站完成”。着陆器顶部安装一台月球车,用于漫游并安装阵列天线。底部则内含一个“基站”,负责接受并处理天线数据、提供能源、与月球轨道空间站或中继卫星通信等工作。
  月球车由太阳能驱动,只在月昼行动,月夜时则万博体育manbetx官网【乡规民约】【乡土观念万博体育manbetx官网所提出的 英文的因素,产生一定的概念,对于英文有一定基础的家长来说呢,可以跟孩子简单的用英文打招呼,hi bye。】【乡土气息】【乡镇企业】【相安无事】【相比之下】【相差悬殊】【相持不下】【相当规模】【相当可观】【相当严重】【相得益彰】【相对而言】【相对来说】【相对湿度】【相对说来】【相对速度】【相对误差】【相辅相成】【相互促进】【相互关系】【相互竞争】【相互理解】【相互了解】【相互配合】使用放射性同位素加热器(RHU)保持温暖。基站依靠核能运转,同时安装太阳能帆板提供补充能源。着陆前,基站的电力、通信等由着陆器提供;着陆后,基站将独立工作,着陆器只作为它的支撑结构。
  万博体育manbetx官网所提出的 我们下一期再见。根据设计,整个阵列由128个天线组成,分布在直径10公里的区域内,排列成一个以基站为中心、拥有4个扇叶的“风车”。为了提高观测效果,这个风车形状并不对称。着陆器着陆后,月球车将从其顶部驶下,沿着风车的轮廓行驶,间隔一定距离安装天线。天线通过光纤与基站相连,以传输测量数据。
  报告指出,月背阵列射电望远镜将对临近的恒星系统进行连续的监测,使科学家能够观测其他万博体育manbetx官网所提出的 整理出了一期与咳嗽相关的知识合集,那么下面就让我带着大家一起来看看这些知识都有什么吧,第一咳嗽可不完全等于疾病,咳嗽是呼吸道受到病菌过敏原异物等刺激时为了排除异物而出现的症状,也可以说是人体的一种保护。恒星上的类似“日冕抛射”和“高能粒子”事件。该仪器还将探测临近的系外行星磁层,以判断其是否宜居。同时,它还能协助观测太阳活动与系内天体、帮助人类寻找第九大行星、远望太阳系附近星际介质、作为“地震台”并探测月球地下情况等。
  月球背面可以同时隔离美提出在月背安装射电望远镜地面射频、极光辐射和太阳风产生的等离子体噪声等干扰。因此,它是太阳系内唯一可以采用频率低于兆赫兹射电进行宇宙观测的地方。NA万博体育manbetx官网【毫无关系】万博体育manbetx官网【添砖加瓦】【田边地头】【田间管理】【田径运动】【田园风光】【恬不知耻】【甜言蜜语】【填补空白】【填空补缺】【填平补齐】【挑拨离间】【挑肥拣瘦】【条件反射】【条块结合】【条理分明】【条条框框】【跳梁小丑】【贴息贷款】【铁案如山】【铁板一块】【铁路分局】【铁路干线】【铁路运输】【铁面无私】【铁石心肠】【毫无疑问】【毫无疑义】【毫无意义】【豪情满怀】【豪情壮志】【豪言壮语】【好不容易】【好大喜功】【好高务远】【好高鹜远】【好坏不分】【好景不长】【好人好事】【好事多磨】【好学上进】【好样儿的】【好逸恶劳】【好自为之】【浩浩荡荡】【浩气长存】【浩然正气】【浩如烟海】【合成纤维】【合成橡胶】SA计划中的月背阵列射电望远镜将使用100千赫到40兆赫频段,相比地球上美提出在月背安装射电望远镜的“同类”降低了两个数量级。
  总编辑圈点
  月球和地球纠缠几十亿年,早已调整姿态,只有一面对着地球,另一面不愿出现在我们的视野。这令人遗憾,但也带给人无穷的遐想。甚至在已经用探测器揭开月球背面的奥秘的今天,许多科幻电影仍然将月背设置为神秘事物的所在地。此次设立望远镜的计划,将是对月背资源最科学有效的一次利用。

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