also: おうどう
ecliptic
Astronomy term: the apparent path of the Sun on the celestial sphere.
The ecliptic is the path of the Sun on the celestial sphere.
The twelve zodiac constellations are arranged along the ecliptic.
zodiacal light
zodiac
brassy yellow
plane of the ecliptic
ecliptic coordinates
twelve signs of the zodiac
Standard kanji spelling; the reading こうどう is the most common.
Alternate reading, less common; may be encountered in older or specialized texts.
From Chinese 黃道 (huángdào), literally 'yellow path', referring to the Sun's path. The reading こうどう is the standard Sino-Japanese on'yomi; おうどう is an alternative on'yomi.