Sputnik

Sputnik

Sputnik was the first artificial satellite launched into orbit by the Soviet Union in 1957.

Its launch began the Space Race between the USSR and the United States.

Effects:

Important

Sputnik = 第一颗人造卫星,是冷战科技竞争的重要标志

It also intensified fears connected to missiles and Mutual Assured Destruction.