Utilizing telescopes in Yunnan province and an experimental satellite tv for pc that’s now orbiting the moon after a launch mishap in 2024, the staff recorded a downlink velocity of 100 megabits per second and an uplink velocity of 1.25Mbps, in keeping with the Chinese language Academy of Sciences, which led the venture.
In contrast, Nasa’s 2013 lunar laser communications demonstration achieved obtain speeds of 622Mbps and add speeds of 20Mbps – roughly six occasions sooner for downloads and 16 occasions sooner for uploads.
Jonathan McDowell, a London-based house historian and former Harvard astronomer, mentioned the Chinese language and US experiments had been comparable.
“It seems like China has not but reached the info charges the US can obtain,” he mentioned, including that he didn’t know what accounted for the hole.
Yang Lei, a deep-space laser communications skilled and head of the analysis staff, famous the velocity benefit of laser in comparison with different strategies in an interview with state information company Xinhua final week.