An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

Homepage  Preliminaries  Abbreviations  Acknowledgments  References 
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
parallactic angle
  زاویه‌ی ِ دیدگشتی  
zâviye-ye didgašti
Fr.: angle parallactique  

Of an object in the sky, the angle between the → celestial pole, the object, and the → zenith. Since parallactic angle
describes the orientation on the sky of the object for a particular observer, it can be an important quantity in some observations.

See also: → parallactic; → angle.