China to launch Shenzhou-7 spacecraftChina will launch its third manned spacecraft Shenzhou-7 from Jiuquan Satellite Launch Center in northwest China on Thursday,a spokesperson with China's manned space program said on Wednesday.The first Chinese astronaut is likely to walk in space around 4:30 pm on Friday,a day after spacecraft Shenzhou VII lifts off,the commander-in-chief of the mission's ground operation has said.