It'seems to have been invented by the American astronomer David Rittenhouse in about 1785.
它似乎是美国天文学家D. Rittenhouse在1785年前后发明的.
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I used to be an amateur astronomer and watch the stars through my telescope.
我以前是业余的天文家,用望远镜观察星星.
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Nearly 100 years ago , the astronomer , Schiaparelli , thought the marking to be canals.
而大约在一百年前天文学家夏帕雷里认为,这些条痕是运河.
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For many years, Treister says, astronomers doubted that obscured quasars were very common.
特雷斯特表示, 多年来天文学家们一直不相信被遮挡的类星体是很普遍的.
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It is the the largest planetarium in the city and a wonderland for budding Neil Armstrongs.
那是本城最大的天文馆,也是小尼尔阿姆斯特朗们的基地.
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Most astronomers believe that large quantities of some unidentified material pervade the universe.
多数天文学家相信,宇宙充满了大量的不明物质.
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Skygazers are getting ready to watch the annual Perseid shower , which peaks on Wednesday.
天文爱好者正准备观看本年度英仙座流星雨, 周三晚频率达到最高.
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天文台也负责发出雷暴警告 、 水浸警告、山泥倾泻警告 、 火灾危险信号 、 强烈季候风信号和霜冻警告等.
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By agreement, the longitude passing through Greenwich of Observatory is called the prime meridian.
按照约定, 经过伦敦格林尼治天文台的经线被称为本初子午线(零度经线).
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Astronomers tacitly assume that stars of the same luminosity and color all have the same mass.
天文学家心照不宣地默认,光度和颜色都相同的恒星具有相同的质量.
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He dropped out of astronomy and became an industrial research assistant -- or something like that.
他放弃了天文学,成了一名工业研究助理 —— 或者诸如此类的头衔.
英汉非文学 - 科幻
