4 oct 1957 año - Sputnik Enters Orbit
Descripción:
At 7:28 PM, the first man-made satellite broke free of the Earth's gravity. Due to its Russian Origin, Sputnik was regarded as a threat to the United States, despite the fact it only contained radio transmitters and batteries to last three weeks.
Añadido al timeline:
History of Space Travel
fecha:
Fotos:
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