bn:03258393n
Noun Concept
Categories: Celestial coordinate system
EN
equatorial coordinate system  equatorial coordinates  primary direction  RA/Dec
EN
The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects. Wikipedia
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EN
The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects. Wikipedia
A celestial coordinate system defined by the Earth's equatorial plane Wikipedia Disambiguation
Celestial coordinate system used to specify the positions of celestial objects Wikidata