right ascension
noun
Key Types & categories Parts & wholes Related & opposite
- Word type
- noun
- verb
- adjective
- adverb
- Line style
- core relation
- instance, member or derived
- substance, domain or see-also
- Direction
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Senses
Sense 1 noun
(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
one hour of right ascension equals fifteen degrees
Types & categories
- angular distance hypernym
Related & opposite
- astronomy domain topic
Table view of this graph
| Sense | Relation | Group | Word |
|---|---|---|---|
| 1 | domain topic | Related & opposite | astronomy |
| 1 | hypernym | Types & categories | angular distance |