The Shenzhou XXI crew aboard China's Tiangong space station conducted their first spacewalk on Tuesday, according to the China Manned Space Agency. 據中國載人航天工程辦公室消息，神舟二十一號乘組週二在中國空間站“天宮”完成了首次出艙活動。 Mission commander Senior Colonel Zhang Lu and spaceflight engineer Major Wu Fei returned to the Wentian science module at 6:45 pm after working for approximately eight hours outside the orbital outpost, the agency said. 據介紹，任務指令長、空軍大校張陸及航天飛行工程師、少校武飛在艙外工作約八小時后，於下午6時45分返回問天實驗艙。 Payload specialist Zhang Hongzhang, the third member of the Shenzhou XXI mission, stayed inside Tiangong to provide support. 本次任務的第三名航天員、載荷專家張洪章全程在“天宮”艙內提供支持。 Assisted by a team on Earth and the space station's robotic arm, the astronauts completed all assigned extravehicular tasks, including installing space debris shields and replacing old instruments with new ones. 在地面團隊和...