研究成果藝廊 > 阿塔卡瑪大型毫米及次毫米波陣列計畫(ALMA)
研究成果藝廊
阿塔卡瑪大型毫米及次毫米波陣列計畫(ALMA)
Installation of the nutating secondary subreflector on an ALMA antenna for the site acceptance test |
圖片來源: Pierre Martin-Cocher
Installation of the first ALMA nutator in Chile. January 2013
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Installation of the nutating secondary subreflector on an ALMA antenna for the site acceptance test. Part of the antenna primary mirror is visible on the left. |