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Long March 2D · China Aerospace Science and Technology Corporation · Jiuquan Satellite Launch Center
The Chinese Academy of Science (CAS)' Pathfinder-1 satellites is built for in-orbit validation of critical technologies for the upcoming main missions of CAS' "Origins” Space Science Program, which consists of 4 upcoming astronomical observatory missions to be launched by 2030: * Discovering the Sky at the Longest wavelength (DSL * Solar Polar Orbit Observatory (SPO) * Earth 2.0 (ET) * Enhanced X-ray Timing and Polarimetry (eXTP)