Something big has just happened above the clouds. China has chosen two Pakistanis to train as astronauts for its Tiangong space station. This is the first time a foreign astronaut will fly on a Chinese mission. The news, shared by Xinhua News Agency, has set off lively chatter across Asia about countries joining hands far beyond our planet.The two selected men are Muhammad Zeeshan Ali and Khurram Daud, both seasoned pilots from the Pakistan Air Force. The China Manned Space Agency recently made the announcement. Soon, they will fly to China for months of tough training. One of them will…