are a group of fictional characters in the Sailor Moon manga series created by Naoko Takeuchi. They are the villains of the series' fifth and final story arc, called Stars in the manga, Sailor Moon Sailor Stars in the first anime adaptation, and Sailor Moon Cosmos in the second anime adaptation. Shadow Galactica is first introduced in chapter #43 "Stars 1", originally published in Japan's Nakayoshi magazine on March 28, 1996. Shadow Galactica as an organization devotes itself to stealing starseeds, the essence of sentient life, from all in the Milky Way. Its members are led by Sailor Galaxia and have the ultimate goal of reorganizing the universe in the image that Chaos desires. The Sailor Moon musicals state that they have already conquered 80% of the Milky Way, and all 88 constellations - with only Sailor Moon's Solar System remaining. Sailor Galaxia's castle, , serves as Shadow Galactica's base of operations in the manga. Galactica Palace is located at the Galactic Center, in Sagittarius Zero Star, and it is built around the Galaxy Cauldron, the birthplace of all life in the Milky Way. In the first anime adaptation, Shadow Galactica's base is . Key figures Sailor Galaxia is an orange-haired human-like female alien and the main villainess of the fifth story arc. She is the self-proclaimed "Golden Queen of Shadow Galactica", and is also described as the Guardian of Solitude. According to Naoko Takeuchi, Galaxia was created as a Sailor Guardian "to rival Sailor Moon", and her golden uniform and costume was described by her as very difficult to draw. Before the events of Sailor Moon, Sailor Galaxia lived on a small planet she deemed "trash". She wandered until the day her powers awakened. Without feeling any purpose for herself, and lacking satisfaction in the role of a mere Sailor Guardian, Galaxia began to crave power. She left her planet in search of another homeland and in her travels, she comes upon Chaos in the form of Wiseman, who showed her what she was looking for—the Galaxy Cauldron. She discovers that for her to gain control of the Galaxy Cauldron, she has to gather the Sailor Crystals, the starseeds of the Sailor Guardians of the galaxy. Those powers combined with that of Sailor Moon would give her the power to destroy Chaos and rule the galaxy. She then created Shadow Galactica and began traveling to planet after planet, turning