List of maria on the Moon

This is a list of maria (large, dark, basaltic plains) on the Moon. It includes other basaltic plains, including the one oceanus as well as features known by the names lacus, palus and sinus. The modern system of lunar nomenclature was introduced in 1651 by Giovanni Battista Riccioli.[1] Riccioli's map of the Moon was drawn by Francesco Maria Grimaldi, who has a crater named after him.

Moon photo with maria and large impact craters labeled 1882 chart of the moon with maria

## Maria and Oceanus[edit]

Lunar Maria  Latin Name  | English Name  | Lat.  | Long.  | Diameter (km)

|
|
|
|

Mare Anguis | Serpent Sea  | 22.6° N  | 67.7° E  | 150
Mare Australe | Southern Sea  | 38.9° S  | 93.0° E  | 603
Mare Cognitum | Sea of Knowledge  | 10.0° S  | 23.1° W  | 376
Mare Crisium | Sea of Crises  | 17.0° N  | 59.1° E  | 418
Mare Fecunditatis | Sea of Fecundity  | 7.8° S  | 51.3° E  | 909
Mare Frigoris | Sea of Cold  | 56.0° N  | 1.4° E  | 1596
Mare Humboldtianum | Sea of Alexander von Humboldt | 56.8° N  | 81.5° E  | 273
Mare Humorum | Sea of Moisture or Humors | 24.4° S  | 38.6° W  | 389
Mare Imbrium[2] | Sea of Showers  | 32.8° N  | 15.6° W  | 1123
Mare Ingenii | Sea of Cleverness  | 33.7° S  | 163.5° E  | 318
Mare Insularum | Sea of Islands  | 7.5° N  | 30.9° W  | 513
Mare Marginis | Sea of the Edge  | 13.3° N  | 86.1° E  | 420
Mare Moscoviense | Sea of Moscow | 27.3° N  | 147.9° E  | 277
Mare Nectaris | Sea of Nectar  | 15.2° S  | 35.5° E  | 333
Mare Nubium | Sea of Clouds  | 21.3° S  | 16.6° W  | 715
Mare Orientale | Eastern Sea  | 19.4° S  | 92.8° W  | 327
Mare Serenitatis | Sea of Serenity  | 28.0° N  | 17.5° E  | 707
Mare Smythii | Smyth's Sea  | 1.3° N  | 87.5° E  | 373
Mare Spumans | Foaming Sea  | 1.1° N  | 65.1° E  | 139
Mare Tranquillitatis | Sea of Tranquility  | 8.5° N  | 31.4° E  | 873
Mare Undarum | Sea of Waves  | 6.8° N  | 68.4° E  | 243
Mare Vaporum | Sea of Vapors  | 13.3° N  | 3.6° E  | 245
Oceanus Procellarum | Ocean of Storms  | 18.4° N  | 57.4° W  | 2568

There was also a region on the Lunar farside that was briefly misidentified as a mare and named Mare Desiderii (Sea of Desire). It is no longer recognized. Other former maria include:

* Mare Parvum[3] ("Small Sea"), immediately to the east of Inghirami
* Mare Incognitum ("Unknown Sea")
* Mare Novum[3] ("New Sea"), northeast of Plutarch
* Mare Struve ("Struve's Sea"), near Messala

## Lacus[edit]

A related set of features are the Lunar lacus /ˈleɪkəs/ (singular also lacus, Latin for "lake"),[a] which are smaller basaltic plains of similar origin:

Lunar Lacus  Latin Name  | English Name  | Lat.  | Long.  | Diameter (km)

|
|
|
|

Lacus Aestatis | Lake of Summer  | 15.0° S  | 69.0° W  | 90
Lacus Autumni | Lake of Autumn  | 9.9° S  | 83.9° W  | 183
Lacus Bonitatis | Lake of Goodness  | 23.2° N  | 43.7° E  | 92
Lacus Doloris | Lake of Sorrow  | 17.1° N  | 9.0° E  | 110
Lacus Excellentiae | Lake of Excellence  | 35.4° S  | 44.0° W  | 184
Lacus Felicitatis | Lake of Happiness  | 19.0° N  | 5.0° E  | 90
Lacus Gaudii | Lake of Joy  | 16.2° N  | 12.6° E  | 113
Lacus Hiemalis | Lake of Winter  | 15.0° N  | 14.0° E  | 50
Lacus Lenitatis | Lake of Softness  | 14.0° N  | 12.0° E  | 80
Lacus Luxuriae | Lake of Luxury  | 19.0° N  | 176.0° E  | 50
Lacus Mortis | Lake of Death  | 45.0° N  | 27.2° E  | 151
Lacus Oblivionis | Lake of Forgetfulness  | 21.0° S  | 168.0° W  | 50
Lacus Odii | Lake of Hatred  | 19.0° N  | 7.0° E  | 70
Lacus Perseverantiae | Lake of Perseverance  | 8.0° N  | 62.0° E  | 70
Lacus Solitudinis | Lake of Solitude  | 27.8° S  | 104.3° E  | 139
Lacus Somniorum | Lake of Dreams  | 38.0° N  | 29.2° E  | 384
Lacus Spei | Lake of Hope  | 43.0° N  | 65.0° E  | 80
Lacus Temporis | Lake of Time  | 45.9° N  | 58.4° E  | 117
Lacus Timoris | Lake of Fear  | 38.8° S  | 27.3° W  | 117
Lacus Veris | Lake of Spring  | 16.5° S  | 86.1° W  | 396

## Sinus and Paludes[edit]

A related set of features are the sinus /ˈsaɪnəs/ (singular sinus, Latin for "bay")[b] and paludes /pəˈluːdiːz/ (singular palus /ˈpeɪləs/, Latin palūs, palūdēs "marsh"):

Lunar Sinus and Paludes  Latin Name  | English Name  | Lat.  | Long.  | Diameter (km)

|
|
|
|

Palus Epidemiarum | Marsh of Epidemics  | 32.0° S  | 28.2° W  | 286
Palus Putredinis | Marsh of Decay  | 26.5° N  | 0.4° E  | 161
Palus Somni | Marsh of Sleep  | 14.1° N  | 45.0° E  | 143
Sinus Aestuum | Seething Bay  | 10.9° N  | 8.8° W  | 290
Sinus Amoris | Bay of Love  | 18.1° N  | 39.1° E  | 130
Sinus Asperitatis | Bay of Roughness  | 3.8° S  | 27.4° E  | 206
Sinus Concordiae | Bay of Harmony  | 10.8° N  | 43.2° E  | 142
Sinus Fidei | Bay of Trust  | 18.0° N  | 2.0° E  | 70
Sinus Honoris | Bay of Honor  | 11.7° N  | 18.1° E  | 109
Sinus Iridum | Bay of Rainbows  | 44.1° N  | 31.5° W  | 236
Sinus Lunicus | Lunik Bay  | 31.8° N  | 1.4° W  | 126
Sinus Medii | Bay of the center  | 2.4° N  | 1.7° E  | 335
Sinus Roris | Bay of Dew  | 54.0° N  | 56.6° W  | 202
Sinus Successus | Bay of Success  | 0.9° N  | 59.0° E  | 132

Some sources also list a Palus Nebularum (Latin palūs nebulārum /ˈpeɪləs nɛbjʊˈlɛərəm/ "Marsh of Mists") at 38.0° N, 1.0° E. However the designation for this feature has not been officially recognized by the IAU.

## See also[edit]

* Solar System portal

* List of craters on the Moon
* List of features on the Moon
* List of mountains on the Moon
* List of valleys on the Moon
* Selenography

## Notes[edit]

1. ^ In Latin, the singular is lacus ['lakʊs] and the plural is lacūs ['lakuːs], but they are spelled and pronounced the same in English.
2. ^ As with 'lacus', Latin sg. sinus and plural sinūs are spelled and pronounced the same in English.

## References[edit]

1. ^ Moore, Patrick (1983). The Guinness book of astronomy facts and feats. Enfield, Middlesex: Guinness Superlatives Ltd. p. 25\. ISBN 0-85112-258-2.
2. ^ "Moon Mare/Maria". Gazetteer of Planetary Nomenclature. USGS Astrogeology. Retrieved 2010-08-20.
3. ^ a b "Astronomica Langrenus" (in Italian). Archived from the original on 2006-10-12. Retrieved 2006-12-05.

* L. E. Andersson and Ewen A. Whitaker, NASA Catalogue of Lunar Nomenclature, NASA RP-1097, 1982, no ISBN.
* Ben Bussey and Paul Spudis, The Clementine Atlas of the Moon, Cambridge University Press, 2004, ISBN 0-521-81528-2.
* Antonín Rükl, Atlas of the Moon, Kalmbach Books, 1990, ISBN 0-913135-17-8.
* Ewen A. Whitaker, Mapping and Naming the Moon, Cambridge University Press, 1999, ISBN 0-521-62248-4.

## External links[edit]

* NASA lunar Atlas
* Digital Lunar Orbiter Photographic Atlas of the Moon
* USGS: Moon nomenclature
* USGS: Moon Nomenclature: Mare
* USGS: Moon Nomenclature: Oceanus
* USGS: Moon Nomenclature: Lacus
* USGS: Moon Nomenclature: Palus
* USGS: Moon Nomenclature: Sinus

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