Xinhua News Agency, Beijing, March 30 (Reporter Dong Ruifeng) This is an invitation letter from the "China Sky Eye"-from 0:00 on March 31, the 500-meter spherical radio telescope (FAST) will call for observation applications from global astronomers .

All foreign application projects will participate in the review. The review results will be announced on July 20, and the observation time will start in August.

  The "China Sky Eye" is currently the world's largest and most sensitive single-aperture radio telescope, capable of receiving electromagnetic signals more than 10 billion light-years away.

  Since its opening to domestic operations in January 2020, this major scientific research infrastructure with my country's independent intellectual property rights has been operating stably and reliably. More than 300 pulsars have been discovered and major breakthroughs have been made in research fields such as rapid radio bursts.

  The person in charge of the National Astronomical Observatory of the Chinese Academy of Sciences said that the "China Sky Eye" is fully open to the world, demonstrating the concept of full cooperation between China and the international scientific community.

In the course of open cooperation, China's scientific weapons will better exert their effectiveness, promote the output of major achievements, and contribute to the exploration and understanding of the universe for all mankind.