20 авг 1975 г. - Viking 1 & 2
Описание:
NASA's Viking Project:the first U.S. mission to land a spacecraft safely on the surface of Mars and return images of the surface.
Conducted 3 biology experiments to look for possible signs of life and discovered activity in the Martian soil
Добавлено на ленту времени:
Дата:
20 авг 1975 г.
Сейчас
~ 48 г назад
