北京天文台，探索宇宙的窗口，北京天文台地址在哪里

北京天文台,作为中国天文学研究的重要基地，位于北京市平谷区，它的地址位于北纬39度40分，东经116度20分，周围环绕着壮丽的北京平原和 rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green rolling green

标签： 北京天文台地址北京天文台地址在哪里