See also:

• Science: Astronomy: Solar System: Planets: Earth  (51)
• Science: Earth Sciences: Geomatics: Remote Sensing  (79)

• Cluster - Four ESA spacecraft orbiting the Earth to investigate the small-scale structure (in three dimensions) of the Earth's plasma environment. News, orbital position, mission overview and scientific resources.
• Earth Observing System (EOS) - EOS is the centerpiece of NASA's Earth Science Enterprise (ESE). Includes a science component and a data system supporting a coordinated series of polar-orbiting and low inclination satellites for long-term global observations of the land surface, biosphere, solid Earth, atmosphere, and oceans.
• Explorer Spacecraft Series - Information and data listing the Explorer series of spacecraft (1958-1991).
• Imager for Magnetopause to Aurora Global Exploration - Information on the IMAGE mission at Southwest Research Institute.
• TIMED - Extensive press kit for NASA's planned two-year TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics) mission, aimed at studying the Mesosphere and Lower Thermosphere/Ionosphere (MLTI).