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celestial longitude معنى

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تعريف الإنجليزية

الأسماء
  1. (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"
    مرادفات right ascension, RA

كلمات ذات صلة

  1. celestial coordinate system معنى
  2. celestial equator معنى
  3. celestial event معنى
  4. celestial eye معنى
  5. celestial globe معنى
  6. celestial mechanics معنى
  7. celestial navigation معنى
  8. celestial object معنى
  9. celestial observation satellite معنى
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