TV-PG
S31 • E3 Jul 7, 2019 55m8.4
On 4 October 1957, Soviet scientists launched Sputnik 1 - a beach ball-sized, radio-transmitting aluminium alloy sphere - into orbit. The satellite caused a sensation. Amid Cold War tensions, the Soviet Union’s accomplishment signalled a dramatic technological advantage and American felt it had little choice but to join the Space Race.
