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abstraction > mathematical concept > geometrical object > point > coordinate > ecliptic coordinate > first point of Aries

first point of Aries comparison table

Subject	is an instance of	is a kind of	has definition
ecliptic coordinate		coordinate	A system of coordinates based on the plane defined by Earth's orbit around the Sun, which is inclined to the celestial equator.
first point of Aries	ecliptic coordinate

Up: ecliptic coordinate