Planetary Navigator for NASA World Wind

Moon: Mare

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Feature Name	Latitude	Longitude	Diameter (km)	Origin
Mare Anguis	22.6	67.7	150	"Serpent Sea".
Mare Australe	-38.9	93	603	"Southern Sea".
Mare Cognitum	-10	-23.1	376	"Sea that has become known". Ranger VII impact site.
Mare Crisium	17	59.1	418	"Sea of Crises".
Mare Fecunditatis	-7.8	51.3	909	"Sea of Fecundity".
Mare Frigoris	56	1.4	1,596	"Sea of Cold".
Mare Humboldtianum	56.8	81.5	273	Humboldt, Alexander von; German natural historian (1769-1859).
Mare Humorum	-24.4	-38.6	389	"Sea of Moisture".
Mare Imbrium	32.8	-15.6	1,123	"Sea of Showers".
Mare Ingenii	-33.7	163.5	318	"Sea of Cleverness".
Mare Insularum	7.5	-30.9	513	"Sea of Islands".
Mare Marginis	13.3	86.1	420	"Sea of the Edge".
Mare Moscoviense	27.3	147.9	277	"Sea of Muscovy".
Mare Nectaris	-15.2	35.5	333	"Sea of Nectar".
Mare Nubium	-21.3	-16.6	715	"Sea of Clouds".
Mare Orientale	-19.4	-92.8	327	Eastern sea
Mare Serenitatis	28	17.5	707	"Sea of Serenity".
Mare Smythii	1.3	87.5	373	Smyth, William Henry; British astronomer (1788-1865).
Mare Spumans	1.1	65.1	139	"Foaming Sea".
Mare Tranquillitatis	8.5	31.4	873	"Sea of Tranquility".
Mare Undarum	6.8	68.4	243	"Sea of Waves".
Mare Vaporum	13.3	3.6	245	"Sea of Vapors".