A Small Lunar Mare West of Firmicus Crater

Feature Profile & Selenographic Data

Feature type

lacus

Coordinates

7.84° N · 61.93° E

Diameter

70.64 km

IAU approval

1979/01/01 00:00:00

LAC quadrangle

LAC-62 · Mare Undarum

Geological Chronicle

Lacus Perseverantiae is a small lunar mare located at 7.8377° N, 61.9349° E, extending westward from the northwestern exterior of crater Firmicus. The feature reaches a length of 70.64 kilometers while maintaining a maximum width of less than 15 kilometers.

At its eastern terminus, the feature has smaller extensions to the northeast and northwest. The International Astronomical Union officially adopted the name Lacus Perseverantiae, Latin for Lake of Perseverance, in 1979.

Chronology & Exploration

1. 1979 IAU Name Adoption

   The International Astronomical Union officially adopted the name Lacus Perseverantiae.

Scientific Sources & References

• IAU Gazetteer of Planetary Nomenclature — Feature 3215 registry record
• Wikipedia — English Wikipedia extract (revision 1136779989)

Name Origin

"Lake of Perseverance."