earth online
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MISSIONS

Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.

  • Mission - Earth Explorers

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    Swarm

    Swarm is dedicated to creating a highly detailed survey of Earth’s geomagnetic field and its temporal evolution as well as the electric field in the atmosphere using a constellation of three identical satellites.

  • Mission - Heritage Missions

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    ERS

    The ERS programme was composed of two missions, ERS-1 and ERS-2, which together observed the Earth for 20 years, from 1991 to 2011.

  • Mission - Earth Explorers

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    Swarm Product Data Handbook

    The Swarm Product Data Handbook provides a detailed description of Level 1b and Level 2 products derived from Swarm data.