I dont know about the moon, but the earth's crust is about 6 to 35 km wide, so less than 1% of the total volume of the earth
The moon is completely solid, so there is no crust on the moon.
crust
The crust.
crust
The moon's crust is thinner than Earth's crust. The Moon's crust is estimated to be around 25 to 40 kilometers thick, while Earth's crust varies between 5 to 70 kilometers thick.
The portion of Earth's crust which is composed of the element silicon is roughly 28%.
The Earth's Crust
The Earth's Crust
The mantle.
The crust.
magma
The top layer of the Earth's crust is called the lithosphere. It consists of the Earth's outermost layer, which includes the crust and the upper portion of the mantle.