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  • refractor ha escrito una nueva entrada en el blog: How to make a telescope by yourself   hace 4 días · Ver

    1. Raising the problem For everyone who loves science, especially astronomy, the telescope is naturally one of the most desirable scientific instruments. On a clear night, facing the vast universe, how fascinating the colorful celestial bodies are! At this time, everyone hopes to have a small astronomical telescope to see the orbiting mountains on the […]

  • refractor ha escrito una nueva entrada en el blog: James Webb Space Telescope   hace 1 semana, 4 días · Ver

    (James Webb Space Telescope, JWST) is a planned space telescope for infrared observation. As a follow-up to the Hubble Space Telescope, which will end its observation activities in 2010, it is planned to be launched into space in 2011. However, due to the effects of life-delay measures such as the Hubble Space Telescope’s repairs, the […]

  • refractor ha escrito una nueva entrada en el blog: Chandra X-ray Space Telescope   hace 1 semana, 6 días · Ver

    The US Space Shuttle Columbia took off on July 23, 1999, sending the Chandra X-ray Observatory into space. This space telescope will help astronomers search for black holes and dark matter in the universe, thereby gaining a deeper understanding of the origin and evolution of the universe. The Chandra Space Telescope was originally called the […]

  • refractor ha escrito una nueva entrada en el blog: What is the infrared Su-27 telescope   hace 2 semanas, 5 días · Ver

    Su-27 is a fighter model The Su-27 is a single-seater dual-engine all-weather air superiority heavy fighter developed by the former Soviet Union’s Sukhoi Design Bureau. Its main tasks are homeland air defense, escort, and maritime patrols. NATO gave the nickname “Flanker” (Flanker). The aircraft began development in 1969, first flew on May 20, 1977, put […]

  • refractor ha escrito una nueva entrada en el blog: How big is the outdoor telescope   hace 3 semanas, 6 días · Ver

    Theoretical knowledge of telescope multiples This part only needs to be understood a little bit, it doesn’t matter if you don’t understand it. The magnification of the telescope is the angle magnification of observing an object with the naked eye and observing the same object at the same place with the telescope. For example, if […]

  • refractor ha escrito una nueva entrada en el blog: Use and maintenance of the telescope   hace 1 mes · Ver

    The binoculars are small and compact, and what you see is a positive image. Coupled with a wide field of view, it is much more convenient to use than small astronomical telescopes. However, binoculars also have shortcomings, such as small diameter, low magnification, and not suitable for photographic observation. Only by exploiting the strengths and […]

  • refractor ha escrito una nueva entrada en el blog: What are the characteristics of the body of the monocular   hace 1 mes, 1 semana · Ver

    The excellent performance of Leica Televid monoculars: 1. The optical glass treated with multiple coatings ensures clear and sharp images, and the super-hard coating on the surface plays a positive role in protecting the telescope itself. The exquisite optical system ensures that the observer can find the fine details of the object even in low […]

  • refractor ha escrito una nueva entrada en el blog: What the hell is going on with the space telescope   hace 1 mes, 1 semana · Ver

    Space observatory refers to all instruments used to observe planets, galaxies and other outer space objects in outer space. Introduction A large number of telescopes have been launched into orbit, most of which have greatly increased our understanding of the universe. Astronomical research on the surface of the earth is restricted due to the interference […]

  • refractor ha escrito una nueva entrada en el blog: What is the principle of ordinary telescope   hace 1 mes, 2 semanas · Ver

    There is no electronic telescope, the following is the principle of ordinary telescope: How does the telescope move the distant scene to our eyes? This relies on the two lenses that make up the telescope. In the front of the telescope, there is a convex lens with a large diameter and a long focal length, […]

  • refractor ha escrito una nueva entrada en el blog: How to use outdoor telescopes correctly   hace 1 mes, 2 semanas · Ver

    A telescope is an instrument used to observe distant scenery, and it plays an important role in navigation, military, outdoor activities and other fields. However, some people experience dizziness, nausea and vomiting due to improper use. The following points should be mastered in normal use of the telescope: When the telescope stored for a long […]

  • refractor ha escrito una nueva entrada en el blog: What is the principle of electronic telescope   hace 1 mes, 3 semanas · Ver

    principle The antenna collects the radio radiation of the celestial body, the receiver processes and transforms these signals into a form that can be recorded and displayed, and the terminal equipment records the signals, and performs certain processing according to specific requirements and then displays them. The basic indicators to express the performance of a […]

  • refractor ha escrito una nueva entrada en el blog: What are the ways to choose a telescope   hace 1 mes, 3 semanas · Ver

    The specific selection method is as follows: 1. Strength Telescopes are mostly used outdoors. The plastic shell is not very protective, and it is also easy to roughly shift the prism group due to the temperature change. It is necessary to know that as long as the parallelism of the visual axis of the eyes […]

  • refractor ahora es un usuario registrado   hace 1 mes, 3 semanas · Ver