Exploring the Planets

Planet Earth

The Earth and its environment may be divided into several realms, the names of which end in -sphere. These spheres include the atmosphere (air), lithosphere (rocks), the hydrosphere (water), the biosphere (living things), and the magnetosphere (magnetic fields).

Magnetosphere
STS-114 Shuttle Mission Imagery

Lithosphere
Atmosphere
Hurricane Fran, off the SE coast of North America

Hydrosphere