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单词 right ascension
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Examples ofright ascension

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In proposition 7, he examines changes inrightascension.
From theCambridge English Corpus
Thus analysing the motion of the planets from their apparent motions changes the reference system for the data; we are now dealing withrightascensionand declination.
From theCambridge English Corpus
However, at triple conjunctions, it is possible that a conjunction only inrightascension(or ecliptical length) occur.
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Picard also developed what became the standard method for measuring therightascensionof a celestial object.
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The burst was located at arightascensionof and a declination of.
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As the equatorial mount became widely adopted for observation, the equatorial coordinate system, which includesrightascension, was adopted at the same time for simplicity.
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In the equatorial coordinate system, therightascensioncoordinates of these borders lie between and, while the declination coordinates are between and.
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These stars were chosen in such way that they were approximately 6 hours apart inrightascension.
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In the equatorial coordinate system, therightascensioncoordinates of these borders lie between and, while the declination coordinates are between 25.60 and 37.35.
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The position at other equinoxes can be computed by taking into account precession, nutation and aberration, which directly affect e.g.rightascensionand declination.
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In the equatorial coordinate system, therightascensioncoordinates of these borders lie between and, while the declination coordinates are between 2.33 and 36.61.
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It can be found with arightascensionof 7h 01m 5.95s and a declination of -2512 '56.3.
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In the equatorial coordinate system, therightascensioncoordinates of these borders lie between and, while the declination coordinates are between 39.31 and 57.84.
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They differ by the precession of the vernal equinox inrightascensionrelative to the stars.
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In the equatorial coordinate system, therightascensioncoordinates of these borders lie between and, while the declination coordinates are between 56.59 and 74.98.
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Using an object'srightascensionand the local sidereal time it is possible to determine the time of its culmination (see hour angle).
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Similar to the terrestrial longitude and latitude, the equatorial system ofrightascensionand declination specifies positions relative to the celestial equator and celestial poles.
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Often equipped with a graduated scale, it can be used to measurerightascension.
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The closest celestial counterpart to terrestrial latitude is declination, and the closest celestial counterpart to terrestrial longitude isrightascension.
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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:2024/12/28 3:36:47