CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY
Moon internal structure, computer artwork. The Moon has a diameter of 3476 kilometres. It has a crust overlying a thick mantle layer, and a small solid core. The Moon is geologically dead. As it has no atmosphere or geological activity, its surface is still marked by craters from meteorite impacts from the last four billion years.
Model release not required. Property release not required.