<i id='AC4911627A'><strike id='AC4911627A'><tt id='AC4911627A'><sup dir="394b7c"></sup><time lang="fa677b"></time><tt draggable="860513"></tt><pre date-time="80fa8c" id='AC4911627A'></pre></tt></strike></i> By Jonathan Amos for BBC News
ESR-2. Photo: ESA
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