 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| • HOME • ABOUT • CATEGORIES • COPYRIGHT • NEWSLETTER   
|
hour angle (HA)
The angle between the hour circle of a celestial object and the observer's meridian, measured anticlockwise along the celestial equator. It is sometimes used as a coordinate in place of right ascension. See also equatorial coordinates.
Related category
• CELESTIAL MECHANICSAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History