Palus Somni (Latin for "Marsh of Sleep") is an area on the Moon of relatively level but somewhat uneven terrain that lies along the northeastern edge of Mare Tranquillitatis and the Sinus Concordiae. It has selenographic coordinates 14.1° N, 45.0° E, and has a diameter of 163 km.
The surface of this feature has low ridges and patches of level terrain. It has a higher albedo than the lunar mare to the west, and is a shade of grey typical of continental terrain. A few minor craters lie within its borders, with the flooded Lyell along the west edge, Crile to the east, and Franz to the northwest. The bright crater Proclus is to the northeast.
In 1907 it was described as having "a color which is unique upon the moon, a kind of light brown, quite unlike the hue of any of the other plains or mountain regions"
Palus may refer to:
The Palus /pəˈluːs/ are a Sahaptin tribe recognized in the Treaty of 1855 with the Yakamas, negotiated at the 1855 Walla Walla Council. A variant spelling is Palouse, which was the source of the name for the fertile prairie of Washington and Idaho. Today they are enrolled in the federally recognized Confederated Tribes and Bands of the Yakama Nation and are represented by the Colville Confederated Tribes.
The people are one of the Sahaptin speaking groups of Native Americans living on the Columbia Plateau in eastern Washington, northeastern Oregon, and North Central Idaho.
The people of the region lived in three main groups, the Upper, Middle, and Lower bands. Traditional lands included areas around waterways such as the Columbia, Snake and Palouse Rivers.
The ancestral people were nomadic, following food sources through the seasons. The Palus people gathered with other native peoples for activities such as food-gathering, hunting, fishing, feasting, trading, and celebrations that included dancing, sports and gambling. They lived near other groups including the Nez Perce, Wanapum, Walla Walla, and Yakama peoples.