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: 22 Search : dance
underabundance
  کم‌فراوانی   
kamfarâvâni

Fr.: sous-abondance   

The abundance of a chemical element being lower than a reference value, in particular compared to that of the Sun.

under-; → abundance.

zone of avoidance
  زنار ِ تسنش   
zonâr-e tosneš

Fr.: zone d'évitement, zone vide   

The region on the sky covered by the plane of the → Milky Way. It is characterized by an apparent absence of galaxies, due to the obscuring effect of → interstellar dust in the → Galactic plane.

zone; → avoidance.


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