China's space lab Tiangong-2 launches micro-satellite

China's space laboratory Tiangong-2, which is orbiting the Earth with two astronauts onboard, launched a micro-satellite on Sunday, state-owned media reported. Weighing around 47 kg, the micro-satellite is roughly the size of a desktop printer and is missioned to take photographs of Tiangong-2 space station and Shenzhou 11 manned spacecraft with a series of visible light cameras.