NASA

Dr. William H. Pickering, (center) JPL Director, President John F. Kennedy, (right). NASA Administrator James E. Webb (background) discussing the Mariner program, with a model presented.

At launch control for the May 28, 1964, Saturn I SA-6 launch. Wernher von Braun is at center.

The National Aeronautics and Space Administration (NASA) is the agency of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research.

President Dwight D. Eisenhower established NASA in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.

单词	Nasa.gov
释义	Nasa.gov 英语百科 NASA The National Aeronautics and Space Administration (NASA) is the agency of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research. President Dwight D. Eisenhower established NASA in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.
随便看	cascade stack cascade stage cascade stairway cascade star cascade starter cascade starting Cascade Station cascade stomach cascade strainer cascade stretch cascade stripe cascade structure cascade sulfuric acid alkylation cascade superfusion cascade superfusion technique cascade synchrotron cascade synthesis Cascade system cascade system refrigeretion Cascade Systems cascade tank Cascade tax cascade test cascade testing technique cascade testing transformator

Nasa.gov

NASA