4 окт 1957 г. - Sputnik Enters Orbit
Описание:
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.
Добавлено на ленту времени:
History of Space Travel
Дата:
Изображения:
![]()
