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CryoSat

CryoSat is an ESA programme to monitor variations in the extent and thickness of polar ice through use of a satellite in low Earth orbit. The information provided about the behaviour of coastal glaciers that drain thinning ice sheets will be key to better predictions of future sea level rise.

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Biomass

Biomass is a renewable source of energy derived from organic materials, such as plants, animal waste, and wood.

EarthCARE

EarthCARE (derived from Earth Cloud, Aerosol and Radiation Explorer) is a joint European/Japanese (ESA / JAXA / NICT) satellite, the sixth of ESA's Earth Explorer Programme.

Envisat

Envisat ("Environmental Satellite") is a large Earth-observing satellite which has been inactive since 2012.

European Space Agency

The European Space Agency (ESA) is an intergovernmental organization dedicated to space exploration and scientific research.

Gravity Field and Steady-State Ocean Circulation Explorer

The Gravity Field and Steady-State Ocean Circulation Explorer (GOCE) was the first of ESA's Living Planet Programme heavy satellites intended to map in unprecedented detail the .

Laser

Laser, short for Light Amplification by Stimulated Emission of Radiation, is a device that emits a concentrated beam of light through the process of optical amplification.

Retroreflector

A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects radiation (usually light) back to its source with minimum scattering.

Satellite

A satellite is an object that orbits another object in space.