| 词汇 | celestial-equator |
| 释义 | BETA celestial equatorcollocation in Englishmeanings of celestialand equatorThese words are often used together. Click on the links below to explore the meanings. celestial adjective uk /sɪˈles.ti.əl/ us /sɪˈles.tʃəl/ of or from the sky or outside ... See more at celestial equator noun[ S ] uk /ɪˈkweɪ.tər/ us /ɪˈkweɪ.t̬ɚ/ an imaginary line drawn around the middle of the earth an equal distance from the North Pole and the ... See more at equator Examples of celestial equatorcelestial equator When the sun appears north of the celestialequator it has a positive declination, in the south it has a negative declination. Declination is defined as the position of the sun at noon (solar time) north and south of the celestialequator (measured in degrees). Degrees (and therefore arcminutes) are used to measure declination, or angular distance north or south of the celestialequator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These include the celestialequator, axis, and the orbit. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Objects near the celestialequator can only be tracked for about an hour, but objects nearer the zenith can be tracked for longer. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This instrument is mainly used to find out the declination of any celestial body from the celestialequator towards the north or the south. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For an object with an eccentric orbit but no axial tilt, the analemma would be a straight east-west line along the celestialequator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Then it was close to the ideal positions near at the celestialequator of the sky coordinates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Similar to the terrestrial longitude and latitude, the equatorial system of right ascension and declination specifies positions relative to the celestialequator and celestial poles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. From the north pole, all constellations north of the celestialequator are circumpolar constellations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At the poles, though, the celestialequator would be parallel to the horizon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If the equator is projected outward to the celestial sphere, forming the celestialequator, it crosses the ecliptic at two points known as the equinoxes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The vernal equinox point is one of the two where the ecliptic intersects the celestialequator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Consequently, it also contains the horizon's north and south points and it is perpendicular to the celestialequator and the celestial horizon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is only one of two stars with ancient proper names to lie within a degree of the celestialequator. 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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