背はい点てん

noun

antapex; anti-apex

Astronomical term: the point on the celestial sphere opposite the solar apex, toward which the Sun appears to be moving away relative to nearby stars.

• 太たい陽ようの背はい点てんは、はと座ざの方ほう向こうにある。

  The solar antapex lies in the direction of the constellation Columba.