In recognition of their superb scientific output, the mission operations of European flagship x-ray and gamma-ray observatories, XMM-Newton and Integral, have been extended until 31 December 2012. The ...
ESA’s Science Programme Committee has extended operations of the highly successful astronomical observatories Integral and XMM-Newton for four years, until 16 December 2010 and 31 March 2010 ...
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