Ka'ua (Hyoton IV)

Ka'ua (Hyoton IV) is the fourth planet from the sun of the [Hyoton system](https://robertsspaceindustries.com/galactapedia/article/RkGDYnpq4L-hyoton-system), [Xi'an Empire (SaoXy'an)](https://robertsspaceindustries.com/galactapedia/article/0n96JkwNo9-xian-empire). The heart of the [Xi'an](https://robertsspaceindustries.com/galactapedia/article/ReJwN9KJEj-xian) government, it is the home of the [Emperor](https://robertsspaceindustries.com/galactapedia/article/VYLyPxQnpp-emperor-taunuasao-taoyusao) and the Imperial [House](https://robertsspaceindustries.com/galactapedia/article/box9JmxvWL-xian-house)'s [Council of Three](https://robertsspaceindustries.com/galactapedia/article/Rw1DPO8v8q-council-of-three), and is the nerve center of the [Civil Service](https://robertsspaceindustries.com/galactapedia/article/0dQJ96mOeZ-xian-service). Originally uninhabitable, it was the first world chosen to be [terraformed](https://robertsspaceindustries.com/galactapedia/article/R6dWOrLEM4-xian-terraforming) by the Xi'an, partially due to its association with good luck and harmony in ancient Xi'an mythology. It played a vital role as a refuge for the Xi'an population when they were forced to flee their original homeworld [RyiXy'an (Hyoton III)](https://robertsspaceindustries.com/galactapedia/article/bBz9mEDyqO-ryixyan-hyoton-iii) at the end of the [Great Divide](https://robertsspaceindustries.com/galactapedia/article/VyvYA5qmqX-the-great-divide).