Bosporos Planum

Bosporos Planum is a high plateau (planum) located in the Thaumasia quadrangle in the Southern Hemisphere of Mars. It is about 730 km long stretching from southwest to northeast. Previously named Erythraeum Planum,^[1] it was renamed to its current name in 1979.^[2] Its name derives from one of the classical albedo features observed by early astronomers, named after the Bosphorus Strait.^[2]

Bosporos Planum

Map of the midwestern part of Mars with Bosporos Planum shown at the bottom
Feature type	Plateau
Location	Thaumasia quadrangle (majority)
Coordinates	33.87°S 64.49°E / -33.87; 64.49
Length	730
Discoverer	Mariner 9
Eponym	Bosphorus Strait