Arrakis Planitia [SEP] located on astronomical body
Arrakis Planitia
Arrakis Planitia is a planitia (plain) on Titan, the largest moon of the planet Saturn. It is located in Titan's southern hemisphere, between 74-80° south and 113-134° east, within the Mezzoramia region.
Arrakis Planitia is named after Arrakis, a fictional desert planet that is featured prominently in Frank Herbert's "Dune" novels. The name follows a convention that Titanean plains are named after planets in Herbert's work.
Ogygis Undae
Ogygis Undae is the only named southern hemisphere dune field on Mars. It is named after one of the classical albedo features on Mars, "Ogygis Regio". Its name, which refers to Ogyges, a primeval mythological ruler in ancient Greece, was officially approved by the International Astronomical Union (IAU) on September 17th, 2015. It is situated just outside Argyre Planitia, a plain located in the southern highlands of Mars. The dunes of Ogygis Undae extend from latitude −49.94°N to −49.37°N