Hard X-ray Modulation Telescope (HXMT / 硬X射线调制望远镜) launch, 15 June 2017

A Long March-4B (Chang Zheng-4) rocket launched the Hard X-ray Modulation Telescope (HXMT / “慧眼” 硬X射线调制望远镜卫星) from the Jiuquan Satellite Launch Center, on 15 June 2017, at 03:15 UTC. The Hard X-ray Modulation Telescope (HXMT), named Huiyan or Insight, is China’s first X-ray astronomical satellite. Orbiting at an altitude of around 550 kilometers, the telescope will allow scientists to observe magnetic fields and the interiors of pulsars, as well as better understand the evolution of black holes believed to