Eratosthenes (crater)

Eratosthenes

Lunar Reconnaissance Orbiter image
Coordinates	14°28′N 11°19′W / 14.47°N 11.32°W / 14.47; -11.32
Diameter	59 km
Depth	3.6 km
Colongitude	12° at sunrise
Eponym	Eratosthenes

Eratosthenes crater is a relatively deep lunar impact crater that lies on the boundary between the Mare Imbrium and Sinus Aestuum mare regions. It forms the western terminus of the Montes Apenninus mountain range. It is named after ancient Greek astronomer Eratosthenes of Cyrene,^[1] who estimated the circumference of the Earth, and the distance from the Earth to the Sun.