KnowraEquatorial coordinate systemLinked fromLinked fromThe 20 pages that link to Equatorial coordinate system, each with the reason it gives.All 20Broader topic 2Related 8Narrower topic 7Compared with 3Ecliptic coordinate systemCompared with: Its equator-based coordinates differ from this system's ecliptic-based coordinates.Galactic coordinate systemCompared with: Its equator-based axes differ from the Milky Way-based axes.Horizontal coordinate systemCompared with: Its coordinates are tied to the celestial sphere rather than the observer’s horizon.