4 oct 1957 año - Sputnik was launched by the Soviets

Descripción:

The satellite, an 85-kilogram (187-pound) metal sphere the size of a basketball, was launched on a huge rocket and orbited Earth at 29,000 kilometers per hour (18,000 miles per hour) for three months.
The Soviet Union launched the earth's first artificial satellite, Sputnik I. The successful launch came as a shock to experts and citizens in the United States, who had hoped that the United States would accomplish this scientific advancement first.
The launch took place from a site now known as the Baikonur Cosmodrome in Soviet Kazakhstan.
On Oct. 4, 1957, the Soviet Union inaugurated the Space Age with the launch of Sputnik
Sputnik was launched to correspond with the International Geophysical Year, a solar period that the International Council of Scientific Unions declared would be ideal for the launching of artificial satellites to study Earth and the solar system.

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