Lithospheric structure refers to the composition and characteristics of the Earth's outermost layer, known as the lithosphere. This layer is composed of the crust and the uppermost part of the mantle, and it plays a crucial role in shaping the Earth's surface and tectonic activity. Scientists study lithospheric structure to understand the distribution of rocks, minerals, and other materials within the Earth's outer layer. This research area involves various techniques, such as seismic imaging, gravity mapping, and geologic mapping, to investigate the properties of the lithosphere and the processes that shape it. By studying lithospheric structure, researchers can gain insights into the formation of mountains, earthquakes, volcanoes, and other geological phenomena. This knowledge is essential for understanding the Earth's dynamic processes and can help in predicting natural hazards and mitigating their impacts.