9 сент 1975 г. - Viking 2
Описание:
U.S., launched Sept. 9, 1975. The Mars orbiter operated from Aug. 1976 to 1987, and the lander operated from Sept. 3, 1976 to 1980. Combined, the Viking orbiters and landers returned more than 50,000 photos.Добавлено на ленту времени:
Дата:
9 сент 1975 г.
Сейчас
~ 50 г назад