equinoctial line | (n) เส้นศูนย์สูตร, Syn. equinoctial circle, equinoctical point |
equinoctial line | (n) เส้นศูนย์สูตร, Syn. equinoctial circle, equinoctical point |
celestial equator | (n) the great circle on the celestial sphere midway between the celestial poles, Syn. equinoctial circle, equinoctial, equinoctial line |