An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



polar cusp
  تیزه‌ی ِ قطبی  
tize-ye qotbi
Fr.: cuspide polaire  

An area in the Earth’s → magnetosphere, where the → magnetosheath plasma has direct access to the → ionosphere.

See also:polar; → cusp.