China launched a Long March-12 carrier rocket on Monday in the southern island province of Hainan, sending a group of internet satellites into space.The rocket lifted off at 3:48 p.m. from the Hainan commercial spacecraft launch site. The payloads, the 19th group of low-orbit internet satellites, entered into preset orbit successfully.Monday marked the second launch of low-orbit satellites for China's internet satellite constellation this year. The first of the year took place six days ago, when the 18th group of satellites was launched from the same site in Hainan.In the recommendations for the formulation of China's 15th Five-Year Plan (2026-2030),...