geosphere
collective name for the lithosphere, the hydrosphere, the cryosphere, and the atmosphere
inner core
innermost geologic layer of the Earth
atmosphere of Earth
gas layer surrounding Earth
lithosphere
rigid, outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties
hydrosphere
combined mass of water found on, under, and above the surface of a planet, minor planet or natural satellite