Luminoth alpha thought

Luminoth Distress Signal Thought Cluster.

A Luminoth Symbol is a three-dimensional text projected as a hologram. Luminoth Symbols use a system of connected dots and lines on a 3-D grid to represent various English letters. A single word forms one cluster of these letters. Each letter in a word is conjoined to the later and/or preceding letter(s) by a bright dot which represents an overlapping segment of two adjacent letters in the word. There is no known way to determine which "end" of the letter string comprising the word is the beginning or end, other than by recognition of the intended word's spelling.

Luminoth Symbols can be seen on Luminoth Lore Projectors in Metroid Prime 2: Echoes and in Luminoth Lore entries in the Logbook. When U-Mos first updates Samus Aran's Translator Module, she is able to access various devices and Translator Doors with violet holograms. The holograms of deceased sentinels of various temples later provide her with access to the other color codes, amber, emerald and cobalt.


  • Several plants and carvings (such as on elevators) can be found that superficially resemble the Luminoth Symbols.
  • Randomizers contain what appear to be a question mark stylized into the Luminoth text form. The shape actually suggests symbol of the Luminoth letter "N" on closer inspection.
  • Metroid Metal's Varia Suite album is titled in the Luminoth alphabet.
  • It is unknown whether or not the Luminoth Symbols correspond to the vocalizations made by U-Mos.
  • The word "Ing" in Luminoth translates to "terror".
  • In Metroid Prime: Episode of Aether, U-Mos' speech is in a fancier font than other text.


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