02 June 2020
Recently, the laser communication team from the Institute of Optics and Electronics (IOE) of the Chinese Academy of Sciences (CAS) has applied adaptive optics (AO) technology to geosynchronous orbit coherent optical communication experiment. For a long time, the atmospheric turbulence effect of the star-ground link has caused signal beam wavefront distortion, spot dispersion and jitter, which affect the reception of ground signal light energy, especially the single-mode fiber reception of coherent laser communication. In order to achieve high-speed, high-reliability satellite-to-ground laser communication, the problem of atmospheric turbulence interference must be solved.
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03 June 2020
The 54th and penultimate satellite of the BeiDou Navigation Satellite System (BDS) has started operation in the network after completing in-orbit tests and network access evaluations, according to a statement from China's Satellite Navigation System Management Office. The satellite, launched from the Xichang Satellite Launch Centre on 9 March, is a geostationary satellite of the BDS-3 system. It was developed by the China Academy of Space Technology. The satellite will offer users positioning, navigation and timing services, and will help improve the robustness of the system, the office said.
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02 June 2020
Photographer Jiao Huang took extraordinary photos of China's space programme.
Photographer Xu Bu of China's Astronaut Centre captured unique moments during astronaut training and launches of China's manned missions.

02 June 2020
China's popular video sharing platform Bilibili announced on 1 June that it would launch a remote sensing satellite in late June for the production of popular science content. Bilibili said that the satellite, called "Bilibili Video Satellite", is a gift to people with a curious mind on Children's Day. According to Bilibili, the satellite, like an "eye" that sees the world from space, will look down on Earth in a sun-synchronous orbit more than 500 km from the ground, and can circle Earth 15 times a day. With a three-dimensional imaging function, the satellite can realize high-precision remote sensing of Earth, capture the city lights at night, observe the changes of Earth's aurora, and also observe space objects such as the Moon and Saturn.
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