日にっ周しゅう視し差さ

noun

diurnal parallax

Technical term in astronomy: the apparent shift in a celestial object's position when viewed from different points on Earth as it rotates.

• 日にっ周しゅう視し差さは、地ち球きゅうの自じ転てんによって天てん体たいの見みかけの位い置ちが変かわる現げん象しょうです。

  Diurnal parallax is the phenomenon where the apparent position of a celestial body changes due to the Earth's rotation.