4 oct 1957 año - Sputnik-1
Descripción:
 Sputnik-1 was the worlds first artificial satellite. The Soviet Union launched it into low Earth orbit on 4 October 1957, orbiting for three weeks before its batteries died, then silently for two more months before falling back into the atmosphere. 
Añadido al timeline:
fecha:
4 oct 1957 año
Ahora mismo
 ~ 68 years ago 
Fotos:
![]()