4 окт 1957 г. - the first satellite,sputnik, is launched into space
Описание:
when the Soviet Union successfully launched Sputnik I. The world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit the Earth on its elliptical path.
Добавлено на ленту времени:
space exploration timeline
Дата:
