Think of ESA’s Proba as the little satellite that does a lot. It is only the size of a washing machine but its main instrument – the smallest hyperspectral imager ever flown in space has an expanding portfolio of uses encompassing agricultural mapping, water quality monitoring, charting forest fire damage and disaster management.
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http://www.esa.int/SPECIALS/Proba_web_site/SEMHHH77ESD_0.html