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-A satellite

is any object's orbit to call home. Artificial Earth satellite spacecraft manufactured on Earth and send the carrier rocket, a type of rocket, the payload into space. Satellites orbit satellites, comets, asteroids, planets,

stars and even galaxies around. Its life, satellites and space junk in orbit.
In May 1946, Project RAND Corporation report, the preliminary design of the world of experimental spacecraft circling (preliminary design of the experimental spacecraft in orbit), said: "A satellite vehicle with appropriate instrumentation in the twentieth century one of the most powerful tools of science. satellite technology will have impact comparable to the atomic bomb explosion ... "Space Age began in 1946, when scientists began using captured German V-2 rocket atmosphere measurements performed.
Prior to this, scientists use the balloon reached 30 km to study the ionosphere and radio waves. spacecraft models From 1946 to 1952, a survey of the V-2 and Aerobee rocket's upper atmosphere, so that the measurement of pressure, temperature and density altitude spacecraft models of 200 km. The United spacecraft models States has been to consider the the launch orbit satellites since 1945 under the Bureau of Aeronautics and Astronautics Navy. U.S. Air Force plans RAND submitted a report, but do not believe that the satellite was a potential military weapon, but the scientific, political and propaganda spacecraft models tool. In 1954, Secretary of Defense, said, "As far as I know, no U.S. satellite plan."
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