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Earth, our home planet, is a beautiful blue and white ball when seen from space. The third planet from the Sun, it is the largest of the inner planets. Earth is the only planet known to support life and to have liquid water at the surface.

Interior and Surface
Atmosphere Climate of the Southeast Pacific
Magnetosphere
Moon
Earth as a System
Earth's Polar Regions
Climate and Global Change
Water (The Hydrosphere)
Ice (The Cryosphere)
Life and Ecology (The Biosphere)
Geology (The Geosphere)
Planetary Facts
Clouds in Art
Myth & Culture
Research Expeditions
Space Missions
Earth News
Image Archives
Earth's Web


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Last modified December 1, 2008 by Lisa Gardiner.
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