👉 In physics, "halieutics" refers to the concept of celestial motion. It is a subfield that deals with the dynamics of planets, stars, and other celestial bodies in space. The term originates from the Greek word "halie", which means "space". In this context, "halieutics" describes the way planets orbit around their suns, or more generally, how they move through space. The study of halieutics is essential for understanding the behavior and