Six demonstration satellites for a future Chinese broadband internet mega-constellation launched March 5 on a Long March 2C rocket. The six satellites, manufactured and owned by a Beijing-based company named Galaxy Space, will test broadband data relays, in-space networking, and integrated remote sensing and communications technologies. Galaxy Space said the systems tested on the six new Yinhe 2 satellites could lay the groundwork for a future “mega-constellation” of internet satellites. The Yinhe 2 satellites launched at 0601 GMT (1:01 a.m. EST; 2:01 p.m. Beijing time) on March 5 from the Xichang space base in Sichuan province, located in southwestern China....