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
retrograde orbit
  مدار ِ پسرفت  
madâr-e pasraft
Fr.: orbite rétrograde  

An orbit with an inclination between 90° and 270° such as those of some comets and small asteroids orbiting the Sun.

See also: → retrograde; → orbit.