An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : bound cluster
bound cluster
  خوشه‌ی ِ بندیده   
xuše-ye bandidé

Fr.: amas lié   

A cluster of astronomical objects, such as stars or galaxies, held together by their mutual gravitational attraction. → bound system.

Bound, p.p. of → bind; → cluster.

Xušé, → cluster; bandidé p.p. of bandidan, → bind.

unbound cluster
  خوشه‌ی ِ نابندیده   
xuše-ye nâbandidé

Fr.: amas non lié   

A cluster of objects, such as stars or galaxies, in which the members are not tied together gravitationally. In such a cluster the members scatter through space following different directions. → bound cluster.

unbound; → cluster.