Discover the latest news on the European Space Agency's Earth Observation activities. Learn all about new data availability and how ESA's missions are performing.
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.
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Topside Ionosphere Radio Observations from multiple LEO-missions (TIRO) project will provide two measurements from onboard instruments of LEO satellite missions: TEC (Total Electron Content) derived from GNSS signals, and electron density derived from KBR (K-Band Ranging) system observations. Read more
Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.