Angular distance and Ha

Angular distance noun - The angular separation between two objects as perceived by an observer.

Ha and angular distance are semantically related. In some cases you can replace term "Ha" with "Angular distance", this terms are similar.

Ha noun - (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day.

Angular distance and ha are semantically related. Sometimes you can use "Angular distance" instead a noun "Ha".