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Xinjiang Observatory
Xinjiang Astronomical Observatory (XAO; ) of the Chinese Academy of Sciences was known as Ürümqi Astronomical Observatory before it was renamed in January 2011. The current research at XAO spans many fields of astronomy. It consists of radio astronomy, optical astronomy and applications of astronomy, especially pulsars, star formation and evolution, galaxies and cosmology, high energy astrophysics, microwave receiver, digital technology, GPS, and so on. The Radio Astrophysics Laboratory of XAO is a member of the radio astronomy key laboratories in the Chinese Academy of Sciences, and has also been awarded the status of Key Laboratory of Xinjiang Uygur Autonomous Region. XAO operates the Nanshan site, Kashgar site, Qitai site and other two independent ground stations. Facilities The observatory's facilities include the Nanshan Radio Telescope (see List of radio telescopes#Asia), located in Gangou Township, Ürümqi County (). The 25 m telescope site in Nanshan of XAO is one of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chinese Academy Of Sciences
The Chinese Academy of Sciences (CAS; ) is the national academy for natural sciences and the highest consultancy for science and technology of the People's Republic of China. It is the world's largest research organization, with 106 research institutes, 2 universities, 71,300 full-time employees, and 79 thousand graduate students. The Chinese Academy of Sciences has historical origins in the Academia Sinica during the Republic of China (1912–49), Republican era and was formerly also known by that name until the 1980s. The academy functions as the national scientific think tank and academic governing body, providing advisory and appraisal services on issues stemming from the national economy, Social change, social development, and science and technology progress. It is headquartered in Beijing, with affiliate institutes throughout China. It has also created hundreds of commercial enterprises, Lenovo being one of the most famous. The academy also runs the University of Scienc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Radio Telescopes
This is a list of radio telescopes – over one hundred – that are or have been used for radio astronomy. The list includes both single dishes and interferometric arrays. The list is sorted by region, then by name; unnamed telescopes are in reverse size order at the end of the list. The first radio telescope was invented in 1932, when Karl Jansky at Bell Telephone Laboratories observed radiation coming from the Milky Way. Africa Antarctica Asia Australia Europe North America South America Arctic Ocean Atlantic Ocean Indian Ocean Pacific Ocean Space-based Under construction or planned construction Proposed telescopes Gallery of big dishes File:FAST Radio Telescope (captured from video).jpg, alt=Five-hundred-meter Aperture Spherical Telescope seen from above in 2020, The 500 meter Five-hundred-meter Aperture Spherical Telescope (FAST), China (2016) File:GBT.png, alt=Green Bank Telescope, The 100 meter Green Bank Teles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ürümqi County
Ürümqi County() is a county of Xinjiang Uygur Autonomous Region, Northwest China, under the administration of the prefecture-level city of Ürümqi, the capital of Xinjiang. It contains an area of 4,601 km² and according to the 2002 census has a population of 80,000. According to Xingjiang geographic graduate school of Chinese Section College, the geographical midpoint of Asia is located within the county. Urumqi Glacier No.1, the glacier closest to an urban area in the world is also in the county. Administrative divisions Ürümqi County contains 3 towns A town is a type of a human settlement, generally larger than a village but smaller than a city. The criteria for distinguishing a town vary globally, often depending on factors such as population size, economic character, administrative stat ... and 3 townships: Climate Notes References External links * http://www.wlmqx.gov.cn/ - Ürümqi County official website County-level divisions o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Very-long-baseline Interferometry
Very-long-baseline interferometry (VLBI) is a type of astronomical interferometry used in radio astronomy. In VLBI a signal from an astronomical radio source, such as a quasar, is collected at multiple radio telescopes on Earth or in space. The distance between the radio telescopes is then calculated using the time difference between the arrivals of the radio signal at different telescopes. This allows observations of an object that are made simultaneously by many radio telescopes to be combined, emulating a telescope with a size equal to the maximum separation between the telescopes. Data received at each antenna in the array include arrival times from a local atomic clock, such as a hydrogen maser. At a later time, the data are correlated with data from other antennas that recorded the same radio signal, to produce the resulting image. The resolution achievable using interferometry is proportional to the observing frequency. The VLBI technique enables the distance between t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Qitai Radio Telescope
The Xinjiang Qitai 120m Radio Telescope (QTT) is a planned radio telescope to be built in Qitai County in Xinjiang, China. Upon completion, which is scheduled for 2028, it will be the world's largest fully steerable single-dish radio telescope. It is intended to operate at 150 MHz to 115 GHz. The construction of the antenna project is under the leadership of the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences. The fully steerable dish of the QTT will allow it to observe 75% of the stars in the sky at any given time. The QTT and the Five-hundred-meter Aperture Spherical Telescope (FAST), also located in China, can both observe frequencies in the " water hole" that has traditionally been favored by scientists engaged in the Search for Extraterrestrial Intelligence ( SETI), meaning that each observatory could provide follow-up observations of putative signals from extraterrestrials detected in this quiet part of the radio spectrum at the other obs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Qitai County
Qitai County ( zh, s=奇台县) as the official romanized name, also transliterated from Uyghur as Guqung County or Gucheng County (; zh, s=古城县), is a county in the Xinjiang Uyghur Autonomous Region of China under the administration of the Changji Hui Autonomous Prefecture. It covers an area of and had a population of 230,000. Qitai County's county seat is in Qitai Town. Gucheng Township is nearby. History Located on one of the main routes of the Silk Road, the old Gucheng (often referred in the European writing of the past as "Ku Ch'eng-tze", Kucheng, Kuchengtze, etc., using Wade-Giles or Postal Romanization systems), was the western terminal for one of the caravan routes across the Gobi Desert. Owen Lattimore in ''The Desert Road to Turkestan'' leaves an account of his travel along this route in 1926-27. "Under the special circumstances of the caravan trade, camel traffic usually overshoots Hami the most easterly point on the arterial cart roads of Chinese Turkestan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Astronomical Observatories
This is a partial list of astronomical observatories ordered by name, along with initial dates of operation (where an accurate date is available) and location. The list also includes a final year of operation for many observatories that are no longer in operation. While other sciences, such as volcanology and meteorology, also use facilities called observatories for research and observations, this list is limited to observatories that are used to observe celestial objects. Astronomical observatories are mainly divided into four categories: space-based, airborne, ground-based, and underground-based. Many modern telescopes and observatories are located in space to observe astronomical objects in wavelengths of the electromagnetic spectrum that cannot penetrate the Earth's atmosphere (such as ultraviolet radiation, X-rays, and gamma rays) and are thus impossible to observe using ground-based telescopes. Being above the atmosphere, these space observatories can also avoid the effects ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astronomical Observatories In China
Astronomy is a natural science that studies astronomical object, celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall chronology of the Universe, evolution. Objects of interest include planets, natural satellite, moons, stars, nebulae, galaxy, galaxies, meteoroids, asteroids, and comets. Relevant phenomena include supernova explosions, gamma ray bursts, quasars, blazars, pulsars, and cosmic microwave background radiation. More generally, astronomy studies everything that originates beyond atmosphere of Earth, Earth's atmosphere. Cosmology is a branch of astronomy that studies the universe as a whole. Astronomy is one of the oldest natural sciences. The early civilizations in recorded history made methodical observations of the night sky. These include the Egyptian astronomy, Egyptians, Babylonian astronomy, Babylonians, Greek astronomy, Greeks, Indian astronomy, Indians, Ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buildings And Structures In Ürümqi
A building or edifice is an enclosed Structure#Load-bearing, structure with a roof, walls and window, windows, usually standing permanently in one place, such as a house or factory. Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for numerous factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, monument, prestige, and aesthetic reasons. To better understand the concept, see ''Nonbuilding structure'' for contrast. Buildings serve several societal needs – occupancy, primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical separation of the :Human habitats, human habitat (a place of comfort and safety) from the ''outside'' (a place that may be harsh and harmful at times). buildings have been objects or canvasses of much architecture, artistic expression. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Research Institutes Of The Chinese Academy Of Sciences
Research is creative and systematic work undertaken to increase the stock of knowledge. It involves the collection, organization, and analysis of evidence to increase understanding of a topic, characterized by a particular attentiveness to controlling sources of bias and error. These activities are characterized by accounting and controlling for biases. A research project may be an expansion of past work in the field. To test the validity of instruments, procedures, or experiments, research may replicate elements of prior projects or the project as a whole. The primary purposes of basic research (as opposed to applied research) are documentation, discovery, interpretation, and the research and development (R&D) of methods and systems for the advancement of human knowledge. Approaches to research depend on epistemologies, which vary considerably both within and between humanities and sciences. There are several forms of research: scientific, humanities, artistic, economic, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
