LOS ANGELES, July 11 (Xinhua) -- The fourth private astronaut flight to the International Space Station is scheduled to depart the orbiting laboratory next Monday and return to Earth, NASA said Friday ...

1969 年，印度空间研究组织（Indian Space Research Organisation，ISRO）成立，此后几十年凭 “低成本高效益” 标签在全球航天领域站稳脚跟：1975 年发射首颗人造卫星 ...