| 释义 |
Noun: hour angle awr 'anggul- The angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body
- (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
- HA
Derived forms: hour angles Type of: angular distance, distance Encyclopedia: Hour angle |