The US enter the Space Race by launching Explorer 1 (31 gen 1958 anni – 11 dic 1965 anni)
Descrizione:
the first US satellite to reach orbit. It carried experimental equipment that led to the discovery of the Van Allen radiation belt.Aggiunto al nastro di tempo:
Data:
31 gen 1958 anni
11 dic 1965 anni
~ 7 years and 10 months