ANSWER: Japanese Aerospace Exploration Agency
Explanation:
Japanese Aerospace Examination Agency has launched the ASTRO-H satellite onboard the H-IIA rocket known previously as NeXT or New X Ray Telescope. Mission involved a 2700 kg satellite equipped with 4 telescopes and a total of six detectors. It can study hard as well as soft x rays and gamma rays. Astronomy mission has been launched for studying x-rays from black holes and galaxy clusters. JAXA has partnered NASA, ESA, Canadian Space Agency, Netherlands Institute for Space Research and Japanese, European and US universities for this initiative.