
The news that the Soviet Union had succeeded in launching an artificial moon for the first time in history on October 4, 1957 hit like a bombshell. Sputnik1 is the talk of the town. A metal ball weighing 83 kg with a diameter of 58 cm, hurtling around the globe at cosmic speed.
7.2
7.4
6.8
7.5
6.4
7.1
7.0
7.5
6.9
7.3
8.0
6.6
7.0
7.2
6.9
7.0
7.8
6.2