The Moon. The region around the craters Copernicus and Eratosthenes.

The Moon. Craters Copernicus (below center) and Eratosthenes (above and to the right of Copernicus). Copernicus has a diameter of 96 km, while Eratosthenes is 59 km in diameter. Above Copernicus are the Carpathian Mountains, and from Eratosthenes, the Apennine Mountains stretch to the northeast.