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Home An illustration of the European Space Agency’s (ESA) XMM-Newton X-ray observatory in orbit above Earth. (ESA) An illustration of the European Space Agency's (ESA) XMM-Newton X-ray observatory in orbit above Earth. (ESA)

An illustration of the European Space Agency’s (ESA) XMM-Newton X-ray observatory in orbit above Earth. (ESA)

An illustration of the European Space Agency's (ESA) XMM-Newton X-ray observatory in orbit above Earth. (ESA)

An illustration of the European Space Agency’s (ESA) XMM-Newton X-ray observatory in orbit above Earth. (ESA)