A Small Mare Plain on the Lunar Far Side

Feature Profile & Selenographic Data

Feature type

lacus

Coordinates

20.39° S · 168.52° W

Diameter

49.01 km

IAU approval

1976/01/01 00:00:00

LAC quadrangle

LAC-105 · Mohorovicic

Geological Chronicle

Lacus Oblivionis, translating from Latin as the Lake of Forgetfulness, is a small lunar mare on the far side of the Moon. The feature measures 49.01 kilometers in diameter.

The crater Mohorovičić R, a satellite of Mohorovičić, lies to the northeast, while the crater Sniadecki Y, a satellite of Sniadecki, lies to the southwest. The International Astronomical Union officially adopted the name Lacus Oblivionis in 1976.

Chronology & Exploration

1. 1976 IAU Name Adoption

   The International Astronomical Union formally adopted the name Lacus Oblivionis, Latin for Lake of Forgetfulness.

Scientific Sources & References

• IAU Gazetteer of Planetary Nomenclature — Official planetary nomenclature record.
• Wikipedia: Lacus Oblivionis — Source text for feature classification, coordinates, neighboring satellite craters, and naming history.

Name Origin

"Lake of Forgetfulness."