牛顿望远镜和反射折射望远镜都有一个次级反射镜(或称斜反射镜)，它们阻挡了一部分主反射镜的发射光。
Newtonian and catadioptric telescopes have secondary (or diagonal) mirrors that obstruct a small percentage of light from the primary mirror.
牛顿在光学领域的实验，导致了后来对望远镜效能的改善。
Newton's experiments in optics led to improvements in the effectiveness of telescopes.
伽利略看到月球景象后不久，开普勒、牛顿、卡塞格伦都为望远镜的改进设计做出了很大贡献。
Not long after Galileo saw the moon up close, inventors like Johannes Kepler, Isaac Newton and n. Cassegrain made a succession of major innovations in telescope design.
他们用由哈勃太空望远镜收集的光学信息数据和由esa的XMM -牛顿太空望远镜收集的x光数据来识别活跃星系。
They used data in the optical regime collected by the Hubble space telescope, as well as X-ray data collected by ESA's XMM-Newton space telescope to identify the active galaxies.
这是利用望远镜展示名为“牛顿圈”的光学效应，折射光线彼此干涉，形成了这些条纹。
This is the view through a telescope demonstrating the optical effect known as Newton's Rings, whereby reflected light rays interfere with one another and produce a pattern.
早期由伽利略和牛顿等发明的望远镜以及现代太空望远镜都以专栏形式展出。
Early telescopes developed by Galileo and Newton are featured, along with modern space telescopes.
牛顿不用镜头，而设计制作反射式望远镜，这种望远镜利用碗状的金属镜子来聚焦来自恒星的光。
Turning away from the use of lenses, Newton devised the reflecting telescope, which makes use of a bowl-shaped metal mirror to focus the light from the stars.
伊萨克·牛顿在1668年发明了反射望远镜。
艾萨克·牛顿：运动的法律，严肃的法律，演算，思考的望远镜。
Isaac NEWTON: Laws of motion, Law of gravity, Calculus, Reflecting telescope.
尽管一些研究方法可以改进望远镜，牛顿的发现还是完全改变了人们对颜色的看法。
While investigating ways to improve the telescope, Newton made a discovery which completely changed man's understanding of colour.
牛顿还开发了反射式望远镜。
镜4只是一块平面镜，就象牛顿式望远镜的副镜一样，方便观测。
Mirror 4 is just a flat mirror like Newtonian telescope's secondary mirror, to give convenience for eyes.
当凯什兰博士和他的团队观测火星时，他们可以分辨火星的两个微小卫星——这样的任务如果是利用牛顿的望远镜则需要一个直径最少长达30厘米的镜面。
When Dr Koechlin and his team pointed 12 it at Mars they could distinguish that planet's two tiny moons-a task which would require a Newtonian telescope with a mirror at least 30cm across.
在Canary群岛的艾萨克·牛顿小组天文望远镜项目中，英国被取消了会员资格，而英国已经参与到太阳的地面研究计划当中。
British membership of telescopes in the Isaac Newton Group on the Canary Islands has also been cancelled, as has British involvement in ground-based studies of the sun.
在Canary群岛的艾萨克·牛顿小组天文望远镜项目中，英国被取消了会员资格，而英国已经参与到太阳的地面研究计划当中。
British membership of telescopes in the Isaac Newton Group on the Canary Islands has also been cancelled, as has British involvement in ground-based studies of the sun.
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