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Context
In October 1957, the Cold War was at a key point, the Sovitic and American world powers were seeking mastery of telecommunications in the special field -
The first satelite
Sputnik, the russian satelite was launched -
American satelite
The first american satelite, explorer 1 was launched -
Sputnik 2
The first animal was launched into space -
The big one
The echo, the first passive satelite was launched -
Vietnam war is on going
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21th Century
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The modern Era
The Earth orbit is occupied by 900 satellites -
Spacial trash
The Earth orbit is occupied by 900 satellites
