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.
Envisat was ESA's successor to ERS. Envisat carried ten instruments aboard for a wide range of Earth observing fields. The mission was operational from 2002 to 2012.
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
ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI.