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Earth

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 MILAGRO Campaign Magnetosphere Moon Climate and Global Change Water (The Hydrosphere!) Life and Ecology (The Biosphere!) Geology (The Geosphere!) Planetary Facts Myth & Culture Space Missions Earth New ...

NASA's Earth Science Enterprise

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