Hanh Trinh Khong Gian is a Vietnamese term that translates to "Space Journey." It often refers to the exploration of outer space, including missions to study celestial bodies, the universe, and the potential for human life beyond Earth. This concept encompasses various scientific endeavors, including satellite launches, space probes, and manned missions. The term is also associated with advancements in space technology and international collaborations in space exploration. Countries and organizations work together to share knowledge and resources, aiming to expand our understanding of the cosmos and develop technologies that can benefit life on Earth.