ESA Science & Technology: Call for a Medium-size mission opportunity for a launch in 2022

Through the present Call for Missions the Director of Science and Robotic Exploration solicits from the broad scientific community proposals for the competitive selection of mission concepts to be candidate for the implementation of one medium-size (M-class) mission for launch in 2022, following the launch of the first L-class mission. The deadline for submission of proposals is 3 December 2010, 12:00 (noon) Central European Time.