What is "nyx"

NYX may refer to:

• Nyx, in Greek mythology, Nyx was the primordial goddess of the night
• NYX (comics), an American comic book miniseries by Marvel Comics
• Nyx (Once Upon a Time in Wonderland), the guardian of the well in the U.S. TV series
• Nyx (Image Comics), a character of the Spawn (comics) comic book series.
• NYSE Euronext, (, ) (formerly NYSE Group, Inc.) is a for-profit corporation that operates multiple securities exchanges, most notably the New York Stock Exchange (the "Big Board"), Euronext, and NYSE Arca (formerly known as ArcaEx).
• Nyx, an experimental prototype for the Amiga computer platform's AAA chipset, designed by Commodore engineer Dave Haynie in 1992
• Nyx, is a Gallente Mothership in the Massively Multiplayer Online Game, EVE Online
• NyxQuest: Kindred Spirits, A 2D-3D hybrid video game for WiiWare by Over the Top Studios.
• Nyx is the name of a character in the video game Persona 3.
• NYX (gene), is a gene encoding the protein Nyctalopin
• Nyx (moth), a moth genus
• Nyx, a character in the Queen's Blade Series.
• Nyx, a recurring antagonist of the video game Hellbender.
• Nyx, a hero in the video game Dota 2.
• Nyx, a Tenno in the free-to-play video game Warframe
• Nyx (composition), an orchestral composition by Esa-Pekka Salonen
• Nyx, a character in Dark Matter (TV series)

NYX may also be:

• 3908 Nyx, is an Amor and Mars-crosser asteroid
• Nix (moon), a moon of Pluto
• Nyx, a scout fairy in Tinker Bell and the Legend of the Neverbeast

Nyx, in comics, may refer to:

• Nyx (Image Comics), an Image Comics character from Spawn
• NYX (comics), a Marvel Comics limited series

Nyx is a comic book character created by Brian Holguin who appears in the Spawn comic book series as an ally of Al Simmons (Spawn). She first appears in Spawn #122. She reappears in issue #169 and plays a major role in subsequent issues, mainly as Spawn's sidekick.

Nyx is a genus of moths in the Choreutidae family.

Nyx is a symphonic poem by the Finnish composer Esa-Pekka Salonen. The work was jointly commissioned by Radio France, the Barbican Centre, the Atlanta Symphony Orchestra, Carnegie Hall, and the Finnish Broadcasting Company. It was premiered February 19, 2011 in the Théâtre du Châtelet, Paris, with Salonen conducting the Orchestre Philharmonique de Radio France. The piece is titled after the Goddess Nyx from Greek mythology.