The Earth’s Crust: Understanding, Characteristics, and Importance for Life KOMPAS.com – Another name for the earth’s crust is the lithosphere layer, or what in English is called crust. The lithosphere is the outermost layer or part of the Earth. Its average thickness is estimated at 70 kilometers. What is the earth’s crust? Understanding the earth’s … Continue reading NASA’s “Ingenuity” Mars Exploration Helicopter Mission Comes to an End