An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Nix
  نیکس  
Niks
Fr.: Nix  

The second satellite of → Pluto discovered in 2005 by astronomers using the → Hubble Space Telescope images. It has an estimated diameter of between 46 and 137 km and an orbital period of 24.9 days. Also called Pluto II (P2).

See also: Nix, from Nyx in Gk. mythology the goddess of darkness and night. The conversion of “i” into “y” was to avoid conflict with the asteroid 3908 Nyx.