Earth Orbit

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» CHIPSat - A planned mission by the SpaceDev commercial corporation. Includes an overview of the mission and information on its experiments.
» Cluster - Four spacecraft orbiting the Earth to observe magnetosphere and other solar physics phenomena. News, orbital position, mission overview and scientific resources.
» ENVISAT - Satellite to measureme the atmosphere, ocean, land, and ice over a five year period. Extensive news, mission, user services and products info.
» Earth Observing 1 - Technology mission designed to demonstrate advanced land imaging instruments. Features description of the mission, spacecraft and technologies.
» 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, biosphe
» Explorer Spacecraft Series - Information and data listing the Explorer series of spacecraft (1958-1991).
» Explorers Program - Information from the Goddard Space Flight Center on the current mission objectives and schedules.
» Imager for Magnetopause to Aurora Global Exploration - Information on the IMAGE mission at Southwest Research Institute.
» Keo - To be launched in 2005, Keo will fly through space for 50,000 years before returning to Earth to deliver messages. You can enter a message free of charge.
» Solar Radiation and Climate Experiment (SORCE) - Features the project page of an Earth orbiting spacecraft to study the Solar radiation.
» 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).
» Terra (EOS AM-1) - The flagship of the NASA Earth Observing System. Terra will enable new research into the ways that Earth's lands, oceans, air, ice, and life function as a total environmental system.
» Vanguard: A History - Story of the Vanguard satellite program. Discusses the planning, setbacks, successes, and launchings, and includes effects of individual and mass psychology.