China launched two test payloads Tuesday for a planned constellation of internet satellites, a step that could lead to launches of thousands more Chinese spacecraft to match similar commercial networks already being deployed by SpaceX and OneWeb. The two pathfinder spacecraft launched aboard a Long March 2C rocket, which flew for the first time with a wider payload fairing to provide more volume for launches of larger numbers of satellites on a single mission. The Long March 2C rocket lifted off at 7:15 a.m. EDT (1115 GMT; 7:15 p.m. Beijing time) Tuesday from the Jiuquan launch base in the Inner…