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Alfa 177

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Alfa 177
Alfa 177 remastered.jpg

Alfa 177 from orbit

Type: Planet
Native Species: Alfa 177 canine
Alfa 177 surface.jpg

The surface of Alfa 177

Alfa 177 was an uninhabited planet. This was the homeworld for a species of dog.

This planet had a nighttime temperature that reached 120° below zero. The planet was capable of supporting life despite this, and it was also rich in a soft yellow magnetic ore with highly unusual properties.

In 2266, the USS Enterprise was on a specimen-gathering mission to this planet. While there, they brought aboard one of the dogs native to the planet. Also, Crewman Fisher, a member of the landing party, became covered with the yellow magnetic ore, which damaged the transporters and caused the device to divide transporter signals. (TOS: "The Enemy Within")

In 2293, the location of Alfa 177 in the Milky Way Galaxy was labeled in the star chart The Explored Galaxy, which was on display in James T. Kirk's quarters aboard the USS Enterprise-A. (Star Trek VI: The Undiscovered Country, okudagram)

According to, Alfa 177 was a M-class world. [1]
For the pre-remastered episode, the planet model for Alfa 177 was first used for Delta Vega ("Where No Man Has Gone Before"). It was used later for M-113 ("The Man Trap", Tantalus V ("Dagger of the Mind"), Planet Q ("The Conscience of the King"), Benecia ("The Conscience of the King"), Gothos ("The Squire of Gothos"), Lazarus' planet ("The Alternative Factor"), Beta III ("The Return of the Archons"), Janus VI ("The Devil in the Dark"), Organia ("Errand of Mercy"), Mudd ("I, Mudd"), Argus X ("Obsession"), and Ardana ("The Cloud Minders"). For the remastered episode, a new planet model was created by CGI artist Max Gabl.
This planet's name was spelled as "Alfa" on screen in the "The Explored Galaxy" star chart, in the Star Trek Encyclopedia (2nd ed., p. 6), Star Trek Maps (pg. 22) and in the Star Trek: The Original Series 365 (p. 043). However, the The Star Trek Compendium (4th ed., p. 34) used "Alpha".

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