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After some self research: source SIM was an ambitious mission concept of optical interferometer in space. SIM was in development in period of 1998-2010 (in late years - as downsized SIM-Lite concept). The main science themes SIM was planned to address: How rare are Earth-like planets around closest stars (in habitable zone) How abundand are exoplanets in ...


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The first precision formation flying mission is ESA's Proba-3, slated for launch in 2018. Proba-3 is ESA’s – and the world’s – first precision formation flying mission. A pair of satellites will fly together maintaining a fixed configuration as a ‘large rigid structure’ in space to prove formation flying technologies. The mission will demonstrate formation ...


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