Lunar craters Lunar craters Lunar craters are impact craters on Earth's Moon. The Moon's surface has many craters, almost all of which were formed by impacts. The word "crater" was adopted from the Greek word for vessel - (Κρατήρ a Greek vessel used to mix wine and water). Galileo built his first telescope in late 1609, and turned it to the Moon for the first time on November 30, 1609. He discovered that, contrary to general opinion at that time, the Moon was not a perfect sphere, but had both mountains and cup-like depressions. These were named craters by Schroeter (1791), extending
City on the Moon City on the Moon City on the Moon is a science fiction novel by Murray Leinster. It was released in 1958 by Ace Books under authority from Thomas Bouregy & Co using their Ace Double imprint reference number D-277. The novel details the events that unfold subsequent to an apparent sabotage attempt made against a lunar jeep on its return journey to the multinational civilian lunar city. This story was first published by Avalon Books in 1957. "City on the Moon" forms part of the To the Stars series by the same author, with two preceding books being "Space Platform"