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Loading contentThe European Space Agency, which develops the Copernicus Sentinels and scientific satellites such as Gaia and Euclid.
Satellites and constellations operated by ESA that are modelled in this encyclopedia.
ESA's pioneering astrometry satellite, which precisely measured the positions, distances, and motions of over 100,000 stars — the forerunner of Gaia. An apogee-motor failure left it in a highly elliptical orbit, yet it still delivered landmark astrometric catalogues.
A Copernicus radar-imaging mission providing all-weather, day-and-night synthetic-aperture radar imagery of land and ocean.
A Copernicus optical-imaging mission delivering high-resolution multispectral imagery for land monitoring, agriculture, and disaster response.
A Copernicus mission monitoring ocean and land surface temperature, colour, and topography for climate and marine services.
Facts on this topic will be cited from these primary and reference sources.
European missions, observatories, and space science imagery.