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
Craters of the Moon National Monument and Preserve area about 12,000 years ago but did not leave much archaeological evidence. Northern Shoshone created trails through the Craters of the Moon Lava Field during their summer migrations from the Snake River to the camas prairie, west of the lava field. Stone windbreaks at Indian Tunnel were used to protect campsites from the dry summer wind. No evidence exists for permanent habitation by any Native American group. A hunting and gathering culture, the Northern Shoshone pursued elk, bears, American bison, cougars, and bighorn sheep — all large game who no longer range the area. The most recent volcanic eruptions ended