Chaos on Mars
30 named features carry the IAU descriptor Chaos — terrain broken into a jumble of blocks and hollows on Mars, out of 39 in the mapped Solar System.
Named
30
of 2,049 named places on Mars — 1.5%
Largest
714 km
Aurorae Chaos
Median size
200 km
Across the 29 with a measured diameter
Named between
1976–2018
IAU approval dates
How chaos on Mars get their names
The IAU assigns each feature class on each world a naming theme. Across the 30 chaos with a recorded origin, 3 categories appear, led by Greek.
Greek16Latin13Turkey1
All 30 chaos on Mars
Every one has its own page, on the surface it sits on.
Aurorae Chaos714 kmChryse Chaos659 kmHellas Chaos591 kmEos Chaos498 kmEchus Chaos481 kmIani Chaos451 kmHydraotes Chaos419 kmMargaritifer Chaos384 kmAureum Chaos351 kmHydaspis Chaos336 kmAram Chaos284 kmNilus Chaos283 kmGalaxias Chaos235 kmAeolis Chaos201 kmArsinoes Chaos200 kmAtlantis Chaos181 kmPyrrhae Chaos162 kmGorgonum Chaos151 kmErythraeum Chaos148 kmGanges Chaos114 kmIster Chaos109 kmCaralis Chaos103 kmAromatum Chaos72.8 kmBaetis Chaos66.7 kmHydrae Chaos66 kmNia Chaos48 kmXanthe Chaos34.4 kmOxia Chaos24.1 kmIamuna Chaos21.7 kmCandor Chaos6.9° S, 72.6° W
Chaos elsewhere in the Solar System
The same descriptor is used on 1 other world, for 9 more features.