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
gravitational instability
  ناپایداری ِ گرانشی  
nâpâydâri-ye gerâneši (#)
Fr.: instabilité gravitationnelle  

The process by which fluctuations in an infinite medium of size greater than a certain length scale (the Jeans length) grow by self-gravitation.

See also: → gravitational; → instability.