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Features on outer-planet moons

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Nanshe Catena

Nanshe Catena, a crater chain (catena) on Jupiter's moon Ganymede, IAU-approved 1997, named for the Assyro-Babylonian goddess daughter of Enki; elongated bright-ray crater with six aligned pits from a split projectile.

Naples Sulcus

Naples Sulcus, a sulcus (groove system) on Miranda, Uranus's innermost large moon; named for Naples in Shakespeare's The Tempest, IAU-approved, imaged by Voyager 2 in 1986, formed by extensional faulting.

Naraj Labyrinthus

Naraj Labyrinthus is a 115-km IAU-named labyrinth terrain on Titan's south polar terrain at 74.2S, 35.8W, approved 2017, named for a planet in Frank Herbert's Dune series, an example of thin valleys incised in an organic plateau.

Nareau (crater on Rhea)

Nareau is a 73.60-km-diameter impact crater on Rhea, Saturn's second-largest moon, centered at 24.9°S, 241.9°W; IAU-approved in 2010 and named for the Micronesian creator deity.

Nath

Nath is a 95-km-wide large ringed feature on Titan, Saturn's largest moon, centered at 30.5°S, 7.7°W; IAU-approved in 2006 and named for an Irish goddess of wisdom.

Neagh Lacus

Neagh Lacus is a 98-km-wide hydrocarbon lake at 81.1°N in Titan's northern lake district, IAU-named in 2007 after Lough Neagh in Northern Ireland, with Cassini-observed methane clouds nearby.

Nemea Planum

Nemea Planum is a large volcanic plain (planum) on Jupiter's moon Io, IAU-named in 1979, about 888.5 km across near Io's south pole; a record 2024 Juno eruption occurred just south and east of it.

Nicholson Regio

Nicholson Regio: large ancient dark-terrain region (regio) on Jupiter's moon Ganymede, 3,900 km across, IAU-named 1979 for astronomer Seth Barnes Nicholson; studied by Voyager and Galileo, a JUICE target.

Nicobar Faculae

Nicobar Faculae, a 575-km-wide bright facula on Titan near the equator at 2.00°N, 159°W in Shangri-la; IAU-named 2006 for the Indian archipelago; chain form suggests tectonic origin.

Nicoya Sinus

Nicoya Sinus: bay-shaped dark feature (sinus) on Titan, 130 km wide at 74.8N, 251.2W, IAU-approved January 19, 2015, named after the Gulf of Nicoya, Costa Rica.

Nidaba (crater on Ganymede)

Nidaba is a 199-km-diameter impact crater and palimpsest on Jupiter's moon Ganymede at 17.75N, 123.43W, IAU-named in 1985 for a Sumerian grain goddess, dominated by undulating plains.

Nile Montes

Nile Montes is an IAU-approved lineated mountain complex on Jupiter's moon Io, centered at 52.07°N, 250.02°W with a diameter of about 450 km, named for the mythological site where Zeus restored Io, and reinterpreted with JunoCam imagery.

Nimloth Colles

Nimloth Colles is a 90-km-wide group of hills on Titan at 11.9N, 151.3W, IAU-approved December 19, 2012, one of six Titan colles named after Tolkien characters, honoring Nimloth of Doriath and the White Tree of Numenor.

Nineveh Sulcus

Nineveh Sulcus, a 1,700 km grooved terrain feature (sulcus) on Jupiter's moon Ganymede at 23.2°N, 53.0°W, cutting through Perrine Regio; named in 1997 for the Assyrian city where Ishtar was worshipped.

Ninkasi (crater on Ganymede)

Ninkasi is an 81-km-diameter impact crater on Jupiter's moon Ganymede, centered at 59.21°N, 48.85°W, approved by the IAU in 1988 and named for the Sumerian goddess of brewing.

Ninki (crater on Ganymede)

Ninki is a 194-km-diameter impact crater on Ganymede at 8.37°S, 120.79°W, adopted by the IAU in 1985 and named for the consort of Ea, the Babylonian water god.

Ninlil (crater on Ganymede)

Ninlil is a 91-km-wide IAU-named impact crater on Ganymede, Jupiter's largest moon, centered at 6.27°N, 118.32°W, approved in 1985 and named for the chief Assyrian goddess, Asshur's consort.

Ninsum (crater on Ganymede)

Ninsum is an 88-km-wide impact crater on Ganymede at 14.35S, 140.55W, named in 1985 by the IAU for a minor Babylonian goddess of wisdom, Gilgamesh's mother.

Ninurta Patera

Ninurta Patera is an IAU-approved volcanic depression (patera) on Jupiter's moon Io, about 82 km wide near 16.7S, 315.25W, named in 1985 for the Babylonian god of the spring sun.

Nippur Sulcus

Nippur Sulcus, a 1,425-km-wide grooved-terrain region (sulcus) on Ganymede at 35.41°N, 183.35°W, named for the Sumerian city; studied via Galileo data, with grooves implying a 125–135 km icy crust above a subsurface ocean.

Nishanu (crater on Rhea)

Nishanu is an IAU-approved 103.40 km impact crater on Rhea, Saturn's second largest moon, at 9°S 129°W on the leading hemisphere. Named for the Arikara creation spirit, it shows landslide and avalanche scarps and an elliptical central uplift.

Niushe Labyrinthus

Niushe Labyrinthus is an IAU-approved labyrinth terrain feature on Saturn's moon Titan, centered at 75.1°N, 88.1°W with a 222 km diameter, named in 2017 after a planet in Frank Herbert's Dune series.

Notus Undae

Notus Undae is a 530-km-wide dune field (unda) on Titan at 10°S, 211°W, named for the Greek god of the south or southwest wind and IAU-approved on December 5, 2011.

Numi-Torum (crater on Callisto)

Numi-Torum is a 75.60 km wide impact crater on Callisto, Jupiter's second-largest moon, named in 1997 for the Mansi creator god of Siberia and centered in its southern hemisphere.

Nun Sulci

Nun Sulci is a 1,500-km-wide grooved bright-terrain system (sulcus) on Jupiter's moon Ganymede, IAU-approved in 1979, named for the Egyptian primordial ocean, centered near 49.5°N, 316.4°W.

Nusku Patera

Nusku Patera is a roughly 128-km-wide nested volcanic patera at 65 degrees south on Jupiter's moon Io, named for the Assyrian fire god and showing new red-ring volcanic changes observed by Juno in 2024.

Nut (crater on Ganymede)

Nut is a 90-km-wide IAU-named impact crater on Ganymede at 54.21S, 269.20W, approved 1979 for the Egyptian sky goddess; the 2000 name Wadjet refers to the same crater.

Nzame (crater on Rhea)

Nzame is a 119.40-km-diameter impact crater on Rhea, Saturn's second largest moon, centered at 9.00 degrees latitude, 24.90 degrees longitude. IAU-approved April 23, 2010, named for the Fang (Gabon) sky god and creator; also a Rhea atlas quadrangle (Sr-6).

Oahu Facula

Oahu Facula is a 465-km-wide bright surface feature (facula) on Titan at 5.00°N, 166.70°W, IAU-approved in 2006 and named after the Hawaiian island of Oahu.

Ochumare Regio

Ochumare Regio, a 939-km-wide regio on Titan at 10.4°N 348.1°W, named for the Puerto Rican goddess of happiness and weather; IAU approved the name on September 14, 2017.