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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 - Third Party Missions
PROBA-1
PROBA-1 is a technology demonstration satellite that later became an operational Earth observation mission.
Mission - Heritage Missions
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 - Third Party Missions
Pléiades
The Pléiades programme followed the SPOT programme satellite series, introducing advanced technologies in Earth observation.