Satellite: Difference between revisions
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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 satellite]]s such as the [[Moon]]. | 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 satellite]]s such as the [[Moon]]. Depending on the application, they use different types of [[satellite orbits]]. | ||
==History== | ==History== | ||
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]]. | 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 16:51, 21 May 2008
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.