precession of the equinoxes   (TTS Sound)

The precession_of_the_equinoxes has 1 Senses.

• precession of the equinoxes
• a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation
• 分点が黄道面に沿ってゆっくりと移動することで、地球の自転軸の歳差運動によって起こる