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Sentinel-3 fully formed

04 December 2014

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For more than 18 months, engineers have been carefully piecing together the many components that make up ESA's Sentinel-3A satellite. Now hosting an array of instruments to provide a wealth of information about Earth's oceans and land, the satellite is complete, standing proud for testing.

Scheduled for launch at the end of 2015, Sentinel-3A is set to play a key role in Europe's Copernicus programme.

As one of the fleet of missions built for the world's largest environmental monitoring initiative, Sentinel-3A will join Sentinel-1A and Sentinel-2A in orbit.

The Sentinel-1A radar satellite was launched last April and the multispectral imaging Sentinel-2A will be launched next spring.

Each of the six Sentinel missions carries different sensors to deliver a stream of complementary data and imagery tailored to the needs of Copernicus users.

Source: European Space Agency (ESA)

Image credit: ESA–A. Le Floc'h - Sentinel-3A

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