The Seftan System is the name given by the learned to the space surrounding the Sun. The learned name for the Sun is Sefta (Sefenlander: "the Sun"), giving the space its name. The Seftan System contains eight planets, their moons, the Sun, and the Skystone Circle. The eight planets are, from closest to the Sun to furthest: Planet Esefta, Planet Sasefta, this Earth (named Planet Masefta by the learned), Planet Anasefta, Planet Yorsefta, Planet Tarsefta, Planet Elkesefta, and Planet Narsefta. The names of these planets are formed from the suffix "-sefta" being appended to the names of the gods of the Nonagonic Faiths. Planet Esefta, and Planet Sasefta do not have moons. Both Planet Masefta, and Planet Anasefta have two moons. Beyond Planet Anasefta lies the Skystone Circle, a giant field of