Category

Valleys and canyons on Mars

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Valles Marineris

Noctis Labyrinthus

labyrinthus on Mars

left|thumb|Rima Hyginus, an eminent rille, in selenochromatic format thumb|Rimae on the floor of the lunar crater Gassendi (crater)|Gassendi, from [[Apollo 16.]] thumb|Mamers Valles rille on Mars. thumb|Rima Ariadaeus is categorized as a straight rille (graben) and is over 300 km in length. thumb|Hadley Rille at center is a sinuous rille visited by the Apollo 15 mission. thumb|Detail of part of Hadley Rille

In planetary nomenclature, a chasma (plural: chasmata ) is a deep, elongated, steep-sided depression. As of 2020, the IAU has named 122 such features in the Solar System, on Venus (63), Mars (25), Saturn's satellites Mimas (6), Tethys (2), Dione (8) and Rhea (5), Uranus's satellites Ariel (7), Titania (2) and Oberon (1) and Pluto's satellite Charon (3). An example is Eos Chasma on Mars.

Cerberus Fossae

Coprates Chasma

Tantalus Fossae

geomorphological feature of the planet Mars

Harmakhis Vallis

geographical feature on Mars

list of valles on Mars

Wikimedia list article

Ceraunius Fossae

valley in Mars, Moon, etc

chasmata on Mars

Angustus Labyrinthus

labyrinthus on Mars

Athabasca Valles

outflow channel on Mars

Tithonium Chasma

Shalbatana Vallis

Olympica Fossae

Juventae Chasma

Scamander Vallis

Mareotis Fossae

list of chasmata on Mars

Wikimedia list article

Hephaestus Fossae

geographical feature on Mars

Medusae Fossae Formation

large geological unit of uncertain origin on Mars