| 词汇 | reflecting-telescope |
| 释义 | reflecting telescope noun[ C ] uk /rɪˌflek.tɪŋ ˈtel.ɪ.skəʊp/ us /rɪˌflek.t̬ɪŋ ˈtel.ə.skoʊp/ a type of telescope(= a device for making objects that are far away look closer and larger) that uses a mirror or mirrors to reflect light and form an image: 反射式望远镜 Isaac Newton built the first reflecting telescope in 1668.艾萨克 · 牛顿在1668年建造了第一台反射式望远镜。 Compare refracting telescope His mother bought him a 6-inch reflecting telescope, and he soon was involved in the school astronomy club. Reflecting telescopes have big curved mirrors instead of smaller, pricier lenses. Astronomers quit building big refracting telescopes when they found they could more easily and cheaply build even bigger, more powerful reflecting telescopes using mirrors. I have been unable to find the spiral galaxy with my binoculars, though it is clear enough in a 15-cm reflecting telescope. Physics: optics, microscopy & lasers anti-reflection anti-reflective chromatic aberration concentrator converging lens eyepiece field glasses non-dispersive non-reflecting opera glasses optical density optics polarization polarize reflection reflective refract spotting scope spyglass transparency Examples of reflecting telescopereflecting telescope It has been used as stiff lightweight structural material, specifically for support of reflectingtelescope mirrors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The design comprises a reflectingtelescope with a 39.3 metre diameter segmented primary mirror, a 4.2 metre diameter secondary mirror, and will be supported by adaptive optics and multiple instruments. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Gregory pointed out that a reflectingtelescope with a parabolic mirror would correct spherical aberration as well as the chromatic aberration seen in refracting telescopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. One was the reflectingtelescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The observatorys roof was designed to part in the middle on two sets of tracks to expose the reflectingtelescope inside to the night sky. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In late 1668 he was able to produce this first "reflectingtelescope". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 1872, he purchased an 8.5 inch reflectingtelescope to further his interest in astronomy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The most common tool is the reflectingtelescope but with a detector sensitive to infrared wavelengths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Within a few decades, the reflectingtelescope was invented, which used mirrors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He also measured temperatures of stars using a 36-inch diameter reflectingtelescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. One simple layout of an astronomical interferometer is a parabolic arrangement of mirrors, giving a partially complete reflectingtelescope (with a sparse or dilute aperture). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is notable in having its own astronomy department complete with its own reflectingtelescope mounted within a free-standing observatory on the school grounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The 1908 addition included a second dome and space for a new 37 1/2-inch reflectingtelescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is used primarily to make different kinds of mirrors including early reflectingtelescope optical mirrors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This reflectingtelescope which had a 60 cm mirror, operated for nine months until its supply of coolant (liquid helium) ran out. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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