词汇 | sidereal-time |
释义 | sidereal time noun[ U ] physics specializeduk /saɪˈdɪə.ri.əl ˌtaɪm/ us /saɪˈdɪr.i.əl ˌtaɪm/ time based on the movement of the earth in relation to the stars恒星时 Astronomy albedo Andromeda Aquarius Aries asteroid galactic galaxy Gemini geostationary geosynchronous nova observatory orbit orbital Orion substellar sunspot supergiant supermassive supermoon Examples of sidereal timesidereal time The astrologer then converts this into the local siderealtime at birth in order to be able to calculate the ascendant and midheaven. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The astrologer then has to convert this into the local siderealtime at birth in order to be able to calculate the ascendant and midheaven. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Using an object's right ascension and the local siderealtime it is possible to determine the time of its culmination (see hour angle). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The siderealtime will be included, as well. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When one moves eastward 15 in longitude, siderealtime is larger by one sidereal hour (note that it wraps around at 24 hours). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is practically proportional to the siderealtime, which is also a direct measure of earth rotation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Later, he envisioned a clock that would show every conceivable type of time, from siderealtime to the rotation of the planets. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Siderealtime is time by the stars. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The third method did not use the equation of time; instead, it used stellar observations to give siderealtime, exploiting the relationship between siderealtime and solar time. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. From a given observation point, a star found at one location in the sky will be found at nearly the same location on another night at the same siderealtime. 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. |
随便看 |
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。