The Companion Zemm was the 27th and last of the Companion Galaxies and also the second largest boasting a 500,000,000 Star Galaxy with 900,000 habitable planets. Which was more habitable than the Companion Besh/Firefist which rounded in at 780,000 estimated habitable planets. The companion zemm is most famous as a human colony galaxy and in the last thousands of years of original Jedi history was a prison galaxy For Their kind. Below is a overall view of the Companion Zemm. by 2,089 ABY however The Star Wars Galaxy came into contact with other multi galactic civilizations. Including Earth and The Chiss Empire and celestials by 28,000 ABY