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 instrumentation.
Instrument - Imaging Spectrometers/Radiometers
The OLI, on board Landsat-8, measures in the visible, near infrared, and short wave infrared.
Instrument - Interferometric Radiometers
The MIRAS instrument is a passive microwave 2-D interferometric radiometer onboard the SMOS satellite.