The main shells of the Earth, their external and internal boundaries, modern ideas about the origin of the geospheres are considered. For the first time, the layer of life and the technosphere are isolated . Discusses their relationship with other geospheres. The structure of the Earth's surface is analyzed from the standpoint of geographical homology and the principle of Curie's disimmetry. Geophysical fields are discussed on the basis of the general foundations of field theory. For the first time, radiation fields are introduced into the course and the issues of the impact on the natural fields of the Earth of technogenic factors are considered. The topic of geophysical fields introduced the discussion of the noosphere as a shell of mind and spirit (Leroy, Vernadsky, Charley) . The possibility of its field study . is being considered.