BEIJING — China Wednesday launched a new space science program focusing on the origin and evolution of the universe, black holes, gravitational waves and relationship between the solar system and human.

The Chinese Academy of Sciences (CAS) announced to develop a group of four satellites in the program.

The program includes a satellite named "Einstein-Probe (EP)", which is tasked with discovering celestial bodies that emit X-rays during fierce changes as well as quiescent black holes with transient high-energy radiation.

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