extraterrestrial objects (planets and moons), such as Hellas Planitia on Mars or Sedna Planitia on Venus. Alluvial plains, which are formed by rivers and...

Hellas Planitia /ˈhɛləs pləˈnɪʃiə/ is a plain located within the huge, roughly circular impact basin Hellas located in the southern hemisphere of the planet...

Acidalia Planitia is a plain on Mars, between the Tharsis volcanic province and Arabia Terra to the north of Valles Marineris, centered at 49°48′N 339°18′E...

Sputnik Planitia /ˈspʌtnɪk pləˈnɪʃiə, ˈspʊt-/ (formerly Sputnik Planum) is a large, partially glaciated basin on Pluto. About 1,400 by 1,200 km (870 by...

Utopia Planitia (Greek and Latin: "Utopia Land Plain") is a large plain within Utopia, the largest recognized impact basin on Mars and in the Solar System...

Chryse Planitia /ˈkraɪsiː pləˈnɪʃiə/ (Greek, "Golden Plain") is a smooth circular plain in the northern equatorial region of Mars close to the Tharsis...

Elysium Planitia, located in the Elysium and Aeolis quadrangles, is a broad plain that straddles the equator of Mars, centered at 3°00′N 154°42′E / 3...

Caloris Planitia /kəˈlɔːrɪs pləˈnɪʃ(i)ə/ is a plain within a large impact basin on Mercury, informally named Caloris, about 1,550 km (960 mi) in diameter...

Atalanta Planitia 45.6N 165.8E 2,050.0 1982 Greek mythical heroine. Audra Planitia 59.8N 92.3E 1,860.0 1991 Lithuanian sea mistress. Bereghinya Planitia 28...

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 and 80°...

Mearcair Planitia is a large plain on the planet Mercury. The name Mearcair is the Irish and Scottish Gaelic word for "Mercury", and the name was approved...

Apārangi Planitia is a large plain on Mercury, approximately 1077 km across. It was named in 2017 by the IAU. The crater Faulkner forms the northeastern...

Sedna Planitia is a large lowland area of Venus, south of Ishtar Terra. It is thought to be lava-covered and similar to a lunar mare. Its name is derived...

Arcadia Planitia is a smooth plain with fresh lava flows and Amazonian volcanic flows on Mars. It was named by Giovanni Schiaparelli in 1882 after the...

neighboring Ruach Planitia and the other walled plains on Triton, Tuonela Planitia is among the youngest features on Triton's surface. Tuonela Planitia was discovered...

Ruach Planitia is a roughly circular flat plain and probable cryolava lake on Neptune's moon Triton. It is located in Triton's northern hemisphere within...

long. Stilbon Planitia is one of four named plains that surround the Caloris basin (with Mearcair Planitia, Tir Planitia, and Odin Planitia). All of these...

planetary nomenclature. Plains may be named denoted "planitia" or "planum", depending on height. Planitia (plural: planitiae) is Latin for plain. It is the...

Feralia Planitia (/fəˈreɪliə pləˈnɪʃiə/) is the third-largest known impact structure on the asteroid Vesta, after Rheasilvia and Veneneia. It is one of...

Argyre Planitia /ˈɑːrdʒəriː/ is a plain located within the impact basin Argyre in the southern highlands of Mars. Its name comes from a map produced by...

Utaridi Planitia is a large plain in the southern hemisphere of Mercury. Most of it is in the Debussy quadrangle, but it extends to the east into Neruda...

Isidis Planitia is a plain located within a giant impact basin on Mars, located partly in the Syrtis Major quadrangle and partly in the Amenthes quadrangle...

Eridania Planitia is a plain located in the southern highlands of Mars. It borders the Hellas basin to the west, Promethei Terra to the south, and the...

Vulcan Planitia, /ˈvʌlkən pləˈnɪʃə/ or Vulcan Planum, is the unofficial name given to a large plain on the southern hemisphere of Pluto's moon Charon....

Gypochelys Agassiz, 1857 Species synonymy Testudo planitia Gmelin, 1789 (nomen suppressum) Chersine planitia — Merrem, 1820 Chelonura temminckii Troost in...

Sihtu Planitia is a large plain on Mercury, approximately 565 km across. It was named in 2017 by the IAU. The crater Calvino lies at the center of the...

Amazonis Planitia (/əˈmæzənɪs pləˈnɪʃiə/, Latin Amāzŏnis) is one of the smoothest plains on Mars. It is located between the Tharsis and Elysium volcanic...

Aristotelia planitia is a moth of the family Gelechiidae. It was described by Annette Frances Braun in 1925. It is found in North America, where it has...

melody". The final track, "Approaching Pavonis Mons by Balloon (Utopia Planitia)", won a 2002 Grammy Award for Best Rock Instrumental Performance. The...

Suisei Planitia is a large area of smooth plains on Mercury, approximately 570 km wide. Ghost craters are unusual forms that occur in the Suisei Planitia. They...