Lacus Excellentiae

Lacus Excellentiae - Latin for sea of excellence - is a solidified lava lake on the moon, of the larger Maria similar to that of the emergence ago. The term has been defined by the International Astronomical Union in 1976.

The small irregular sea surface with an indefinite boundary has an average diameter of about 200 kilometers and is located in the southwest of erdzugewandten side of the moon at the selenographic coordinates 36 degrees south and 44 degrees west, south on Mare Humorum. It contains in the southwest to 25 km in diameter large crater Clausius, whose base was also flooded with lava.

In Lacus Excellentiae proposed on September 3, 2006 after the completion of mission on the lunar orbiter SMART -1.