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.
The WorldView constellation are environment-monitoring satellites, from DigitalGlobe, have been supplying imagery since 2007.
The SPOT (from French "Satellite pour l'Observation de la Terre") series of missions has been supplying high-resolution, wide-area optical imagery since 1986.