Saula (fictional planet) Saula (fictional planet) Saula is a fictional planet described in ""An Attempt to Escape" ("Попытка к бегству")" by Boris and Arkady Strugatsky. This planet is a part of the so-called Noon Universe and presents a world in an early feudalistic stage (opposite to e.g. late feudalism of Arkanar). The planet was named after Saul (Savel) Repnin, one of the space explorers who discovered it in 2141 AD. Saula is the second planet (out of four) of EN-7031 solar system, about one and a half times further from its sun than Earth is from ours. The day and night cycle on
Planet Nine orbits of extreme trans-Neptunian objects was first described by Trujillo and Sheppard, who noted similarities between the orbits of Sedna and . Without the presence of Planet Nine, these orbits should be distributed randomly, without preference for any direction. Upon further analysis, Trujillo and Sheppard observed that the arguments of perihelion of 12 eTNOs with perihelia greater than and semi-major axes greater than were clustered near zero degrees, meaning that they rise through the ecliptic when they are closest to the sun. Trujillo and Sheppard proposed that this alignment was caused by a massive unknown planet beyond Neptune via the