Satellite: Difference between revisions
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==History== | ==History== | ||
The first artificial satellite was [[Sputnik|Sputnik 1]], launched by the [[Soviet Union]] on | The first artificial satellite was [[Sputnik|Sputnik 1]], launched by the [[Soviet Union]] on 4 October 1957. This triggered the [[Space Race]] between the Soviet Union and the [[United States]]. | ||
==Applications== | ==Applications== | ||
Revision as of 11:40, 8 June 2009
In the context of spaceflight, satellites are objects which have been placed into orbit by human endeavor. They are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon. Depending on the application, they use different types of satellite orbits.
History
The first artificial satellite was Sputnik 1, launched by the Soviet Union on 4 October 1957. This triggered the Space Race between the Soviet Union and the United States.