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单词 celestial equator
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Examples ofcelestial equator

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The star is one and half degree away from thecelestialequatorto the south.
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The project was divided into sections or zones by circles parallel to thecelestialequator.
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Some house systems divide thecelestialequatorand the prime vertical instead of the ecliptic.
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It is also that half of the celestial sphere north of thecelestialequator.
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When the sun appears north of thecelestialequatorit has a positive declination, in the south it has a negative declination.
From theCambridge English Corpus
Declination is defined as the position of the sun at noon (solar time) north and south of thecelestialequator(measured in degrees).
From theCambridge English Corpus
Degrees (and therefore arcminutes) are used to measure declination, or angular distance north or south of thecelestialequator.
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These include thecelestialequator, axis, and the orbit.
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Objects near thecelestialequatorcan only be tracked for about an hour, but objects nearer the zenith can be tracked for longer.
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This instrument is mainly used to find out the declination of any celestial body from thecelestialequatortowards the north or the south.
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For an object with an eccentric orbit but no axial tilt, the analemma would be a straight east-west line along thecelestialequator.
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Then it was close to the ideal positions near at thecelestialequatorof the sky coordinates.
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Similar to the terrestrial longitude and latitude, the equatorial system of right ascension and declination specifies positions relative to thecelestialequatorand celestial poles.
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From the north pole, all constellations north of thecelestialequatorare circumpolar constellations.
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At the poles, though, thecelestialequatorwould be parallel to the horizon.
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If the equator is projected outward to the celestial sphere, forming thecelestialequator, it crosses the ecliptic at two points known as the equinoxes.
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The vernal equinox point is one of the two where the ecliptic intersects thecelestialequator.
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Consequently, it also contains the horizon's north and south points and it is perpendicular to thecelestialequatorand the celestial horizon.
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It is only one of two stars with ancient proper names to lie within a degree of thecelestialequator.
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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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更新时间:2024/12/27 19:04:48