An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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galaxy harassment
  ستوهش ِ کهکشانی  
sotuheš-e kahkešâni
Fr.: harcèlement galactique  

Frequent, high speed galaxy → encounters within → galaxy clusters. Harassment can disturb the morphologies of the galaxies involved, often inducing a new
→ burst of star formation. Asymmetrical galaxies,
→ warps, → bars, and → tidal tails can all be produced through galaxy harassment.

See also: → galaxy; → harassment.