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X射线的背景研究进展

Progress in the Study of the X-Ray Background
课程网址: http://videolectures.net/mitworld_giacconi_pits/  
主讲教师: Riccardo Giacconi
开课单位: 约翰霍普金斯大学
开课时间: 2010-07-21
课程语种: 英语
中文简介:
里卡多·贾科尼可能比其他任何人更深入地了解宇宙。他不是用肉眼进行探索,而是用一系列越来越灵敏的探测器,无情地寻找宇宙X射线辐射源。在这40年来第一人称追求一个问题的叙述中,最明显的是在诺贝尔奖获得者中进行发现所需要的专注、决心和发明。Giaconi承认,X射线天文学并不容易,这是一个令人钦佩的轻描淡写的说法,但他成功地证明了三个关键点:从乌赫鲁卫星到哈勃望远镜和钱德拉望远镜,实验的成功在很大程度上取决于出色的仪器设计和数据分析;单个可识别的星系e宇宙X射线辐射背景的来源,因此我们现在正在研究我们不知道其性质的物体,只有当下一代天文学家有资源建造新仪器时,他们才会了解这些物体。
课程简介: Riccardo Giacconi has probably seen deeper into the universe than any other human being. He has conducted his explorations not with the naked eye, but with a series of increasingly sensitive detectors, relentlessly searching for the source of cosmic x-ray radiation. In this first-person account of pursuing one question for 40 years, what emerges most clearly is the kind of focus, determination, and invention required to make discoveries in the Nobel Prize league. Giacconi confesses that “X-ray astronomy is not easy” – an admirable understatement – but he succeeds in proving three key points: from the Uhuru satellite to the Hubble and Chandra telescopes, the success of experiments depends as much on brilliant instrument design as on data analysis; individual, identifiable galaxies are the source of the universe’s x-ray radiation background; and so we are now “looking at objects whose nature we do not know” – objects that the next generation of astronomers will understand only if they have the resources to build new instruments.
关 键 词: X射线辐射; 天文学; 仪器设计; 数据分析; 资源工具
课程来源: 视频讲座网
最后编审: 2021-05-14:yumf
阅读次数: 65