general/earth-observation-satellites
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SSOT (satellite)
Chilean earth observation satellite
A-train (satellite constellation)
Satellite constellation of three Earth observation satellites
Earth observation satellite
Satellite designed to observe Earth from orbit
European Remote-Sensing Satellite
European Space Agency Earth-observing satellite program
Envisat
ESA Earth observation satellite (2002–2012)
Swarm (spacecraft)
ESA's space program to study Earth's magnetic field
GOCE
ESA satellite to map Earth's gravity field