equator Comparison Table

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equator comparison table

Subject has definition

celestial equator Projection of the Earth's equator as a line across the sky (so that to an observer actually on the equator, such a line would pass through the zenith). The directional bearing of a star is given in terms of its right ascension round the celestial equator.

galactic equator The primary circle defined by the central plane of the Galaxy.

Subject	has definition
celestial equator	Projection of the Earth's equator as a line across the sky (so that to an observer actually on the equator, such a line would pass through the zenith). The directional bearing of a star is given in terms of its right ascension round the celestial equator.
galactic equator	The primary circle defined by the central plane of the Galaxy.

Next plane: galactic plane Up: plane Previous plane: ecliptic