标签：NACA - 英国华人论坛

Mars Global SurveyorThe Mars Global Surveyor (MGS) was a US spacecraft developed by NASA's Jet Propulsion Laboratory and launched November 1996. It began the United States's return to Mars after a 10-year absence. It completed its primary mi...英国华人论坛

Apollo program The Apollo program was the United States spaceflight effort which landed the first humans on Earth's Moon.Conceived during the Eisenhower administration and conducted by the National Aeronautics and Space Administration (NASA...英国华人论坛