An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Bonnor-Ebert sphere
  سپهر ِ بونور-ابرت، کره‌ی ِ ~  
epehr-e Bonnor-Ebert, kore-ye ~
Fr.: sphère de Bonnor-Ebert  

A sphere of interstellar gas at uniform temperature in equilibrium under its own gravitation and an external pressure. The pressure of a hotter surrounding medium causes the sphere to collapse. → Bonnor-Ebert mass.

See also: → Bonnor-Ebert mass; → sphere.