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BBC: The European Space Agency has elected to go ahead with the Advanced Telescope for High Energy Astrophysics (ATHENA), the largest x-ray space telescope to date. Projected to cost more than €1 billion, the next-generation observatory will be 100 times as sensitive as current x-ray space telescopes, such as the Chandra X-Ray Observatory. Its mission is twofold: to try to determine how matter forms into galaxies and galactic clusters, and to study how black holes evolve and shape the universe. Because ATHENA is not scheduled to launch until 2028, plans for the vehicle that will carry the huge telescope into space are still underway.
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Europe plans to build biggest x-ray space telescope ever Free
27 June 2014