Sputnik I (4 oct 1957 año – 4 dic 1957 año)
Descripción:
The Soviet Union launches the first successful satellite into space. Less than a month later they launched a second satellite with a dog named Laika on board. She was put to sleep 7 days after launch to avoid her suffocating when the oxygen ran out.Añadido al timeline:
fecha:
4 oct 1957 año
4 dic 1957 año
~ 2 months