Hesperia Planum [SEP] located on astronomical body
Hesperia Planum
Hesperia Planum is a broad lava plain in the southern highlands of the planet Mars. The plain is notable for its moderate number of impact craters and abundant wrinkle ridges. It is also the location of the ancient volcano Tyrrhena Mons (Tyrrhena Patera). The Hesperian time period on Mars is named after Hesperia Planum.
Name origin.
Most place names on Mars are derived from sources in the Bible or classical antiquity. "Hesperia" is a Greco-Latin poetic term for "lands to the west
Hesperia Planum were found to be heavily cratered uplands. In 1979, the IAU designated the upland area to the west as Tyrrhena Terra and to the east as Terra Cimmeria. ("Terra" is a Latin descriptor term meaning land or continent.)
Location and physical description.
Hesperia Planum is located along the broad northeastern rim of the giant Hellas impact basin and is centered at lat. 22.3°S, long. 110°E in the Mare Tyrrhenum quadrangle (MC-22). A small part of this region