* Astronomy

 ESA showcases new Earth Explorer excellence

Three new satellite concepts are vying to be chosen as ESA's seventh Earth Explorer mission. In preparation for selection next year, a series of reports has been published presenting the scientific and technical ambition of each mission.
Since the Biomass, CoReH2O and PREMIER mission concepts were selected for feasibility study in 2009, each candidate has been undergoing a set of rigorous activities to demonstrate their value to science and that they are technically viable.
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