We have trouble discovering those sorts of bodies, much less studying them using just optical telescopes.
我们很难发现这类天体，更不用说用光学望远镜研究它们了。
From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.
从一端到另一端，银河系布满星星的圆盘横跨12万光年，可以用肉眼和光学望远镜观察到。
Dust is nowhere near as hot as a star, therefore optical telescopes cannot observe it.
尘埃温度远不及恒星，所以光学望远镜难以观测到。
Radio telescopes have been able to probe space beyond the range of ordinary optical telescopes.
射电望远镜已能探测普通光学望远镜达不到的宇宙空间。
Radio telescopes have been able to probe space beyond the range of ordinary optical telescopes.
射电千里镜已能探测普通光学千里镜达不到的宇宙空间。
Almost all astronomical research and discovery prior to 1950 was made by optical telescopes on the ground.
从之前到1950年，几乎所有的天文学研究和发现是由地面的光学望远镜取得的。
The center of our Milky Way Galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.
我们银河系的中心由于尘埃气体云的阻碍，难以被光学望远镜所窥探。
From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120, 000 light-years.
它是一个布满星星的圆盘，从一端到另一端跨越了120,000光年。你可以用肉眼，也可以通过光学望远镜观察银河系。
Regarding groundbased observation , the largest optical telescopes to date are the twin 10 - m keck telescopes on mauna kea of hawaii.
位于夏威夷蒙那基亚山上的却克望远镜，口径达10米，是目前世上最大的光学望远镜。
However, it is very challenging to obtain a super smooth surface for high precision optical telescopes due to the intrinsic defects of sic.
但是，由于碳化硅材料的固有缺陷，很难获得超光滑表面以满足高精度光学望远镜的要求。
Even then, although it is the brightest radio source in the sky outside the solar system, optical telescopes could not locate it for several years.
从那时起，尽管它是太空中除太阳系外最亮的放射源，光学望远镜在数十年的时间里却不能给它准确定位。
Looking toward the grand southern constellation Centaurus, both views reveal stars and structures hidden from optical telescopes by obscuring dust.
往壮丽的南天星座半人马座方向看，两种图都显示出隐藏在尘埃后面光学望远镜看不见的恒星和结构。
Usingone of the world's largest optical telescopes, the Keck I in Hawaii, researchers looked for unknown galaxies at the locations of 14swift-discovered dark bursts.
通过世界上最大的光学望远镜之一的位于夏威夷的Keck，研究者们在14个被雨燕发现有黑暗爆炸的位置上寻找未知的星系。
The general theory and the principal function of the active optics applied in the modern astronomical optical telescopes are described and reviewed in this paper.
对主动光学技术在现代天文光学望远镜中的作用和工作原理作了较全面的介绍和评论。
Using one of the world's largest optical telescopes, the Keck I in Hawaii, researchers looked for unknown galaxies at the locations of 14 Swift-discovered dark bursts.
研究者使用全球最大的天文望远镜之一——夏威夷的凯克i，在14个雨燕探测到暗爆发的所在，寻找未知的星系。
Stars in the process of formation, called young stellar objects or YSOs, are embedded in the compact pinkish nebulae seen here, but are otherwise hidden from the prying eyes of optical telescopes.
在形成过程中的恒星，被称为年轻恒星或者yso，都嵌在了你所看到的紧凑的粉色星云之中，不过如果通过光学望远镜来观察的话是看不到的。
Bille and his team work with an optical instrument called an active mirror—a device used in astronomical telescopes to spot newly emerging stars and far distant galaxies.
比尔和他的团队使用一种被称为“活动镜”的光学仪器，这是一种在天文望远镜的种类中用来发现新出现的恒星和遥远星系的仪器。
Nothing can be more charming than the, tales of his mechanical contrivances when he was a boy. There are his telescopes and his optical experiments.
没有什么能比他在还是一个小男孩时所做的机械发明这个传说更引人入胜的了，那里他创造了自己的望远镜和光学实验。
There are several optical designs used for telescopes. No optical system is absolutely perfect.
在望远镜设计中都存在着几种像差，没有所谓的完美的光学系统。
Such telescopes are called reflectors, and they offer major advantages over refractors, which use two lenses and suffer from optical distortion effects.
这种类型的望远镜称为反射望远镜，比折射望远镜更具有优势，后者需要用到两个透镜，而且会受到光学畸变效应的影响。
Over the past 5 years, they have studied those galaxies in optical, near-infrared, and X-ray wavelengths using orbiting and ground-based telescopes.
在过去的5年中，他们通过用太空望远镜和地面望远镜研究了这些星系的光波、进红外线波和X光波。
The optical engineer must make tradeoffs in controlling aberrations to achieve the desired result of the design. Here are some aberrations found in different types of telescopes
光学设计工程师必须能够平衡控制各种像差来得到想要的设计结果。
Telescopes and microscopes are optical instruments.
望远镜和显微镜都是光学仪器。
Microscopes and telescopes are optical instruments.
望远镜和显微镜是光学仪器。
Telescopes and microscopes are optical instruments.
望远镜和显微镜是光学仪器。
This was accomplished by observing Cepheid variables at optical wavelengths out to greater distances than obtained previously and comparing those to similar measurements from ground-based telescopes.
这是通过观测比先前远得多的造父变星的可见光谱实现的，结果与地面望远镜观测结论类似。
This means in optical light telescopes, like the VLT, there is little to see.
这意味着光学望远镜，如VLT，将很难看到它。
Above: GRB 090423 as seen by NASA's Swift satellite. The image is a composite of data from Swift's UV/Optical and X-Ray telescopes.
上图：雨燕卫星拍摄的GRB 090423，图片由雨燕的紫外、可见光和X射线望远镜图像合成。
The reflector action of such a conducting layer makes it possible to build a radio telescopes that correspond exactly to optical instrument.
这种导电层反射器的作用，使我们可以精确地对照光学仪器来建造射电望远望。
25-meter telescopes in the decimeter and centimeter wave bands, 10-meter wave band telescopes and advanced optical telescope terminal equipment will also be used.
二十五米口径的分米、厘米波段望远镜、十米波段望远镜以及先进的光学望远镜终端设备。
应用推荐