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Sensitive instruments detect a subtle change in the region s surface brightness.
On-board software systems analyse the data and send the images to a ground station for immediate action. These projects will therefore contribute to improving our understanding of the environment, as well as the sustainable management of natural resources. Space is no longer only a highway for the exploration of the Universe, a final frontier . It has many impacts on Earth. As it contributes both to the industrial competitiveness of Europe and to the improvement in the quality of life of its citizens, the European Union cannot be indifferent to space developments.