The lunar crust is the outermost layer of the Moon, consisting of rocks and minerals that form the solid surface of the Moon. It is composed mainly of basaltic rock, similar to the Earth's oceanic crust, but also contains significant amounts of anorthosite, a light-colored rock that is rare on Earth. The lunar crust is believed to have formed through processes such as volcanic activity, impact cratering, and solidification of molten material. Studying the lunar crust is important for understanding the geological history of the Moon, as well as the formation and evolution of Earth's own crust. Scientists have used data from lunar missions, such as Apollo and Lunar Reconnaissance Orbiter, to map the composition and structure of the lunar crust, revealing insights into its formation and history. Ongoing research in this area continues to deepen our understanding of the Moon and its place in the solar system.