Crater Copernicus . ... Credit Copyright: Apollo 17 Crew , NASA Explanation: One of the more prominent craters on the Moon is named Copernicus . Copernicus is a large young crater visible with binoculars slightly northwest of the center of the Moon's Earth-facing hemisphere . ... Although Copernicus is relatively young for a lunar crater, it was formed nearly a billion years ago by a colossal impact . The center of Copernicus is about 93 kilometers across. ... NASA Official: Jay Norris. ...