ScienceLIVE: European Space Agency launches Earth-observation satellites into orbit

A Vega-C rocket carrying the European Space Agency’s FLEX Earth Explorer mission and the Copernicus Sentinel-3C satellite lifts off from Europe’s Spaceport in Kourou, French Guiana. FLEX will measure photosynthetic activity from space, while Sentinel-3C will continue monitoring Earth’s oceans, land, ice and atmosphere.