英语词汇“right ascension”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Right Ascension

nnoun.location(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere

Topic:astronomyuranology

Synset:RA celestial longitude

Examples:

one hour of right ascension equals fifteen degrees

Hypernyms:angular distance

Inherited Hypernyms:right ascensionangular distanceanglespaceamorphous shapeshapeattributeabstractionentity

Inherited Hypernyms:right ascensionangular distanceanglespacelocationobjectphysical entityentity

单词	right ascension
释义	Right Ascension nnoun.location(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere Topic:astronomyuranology Synset:RA celestial longitude Examples: one hour of right ascension equals fifteen degrees Hypernyms:angular distance Inherited Hypernyms:right ascensionangular distanceanglespaceamorphous shapeshapeattributeabstractionentity Inherited Hypernyms:right ascensionangular distanceanglespacelocationobjectphysical entityentity
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