Fifty years ago today, NASA announced that Mariner 9, the first spacecraft to orbit Mars, had completed all its mission objectiv
11 Feb 2022, 20:49
Fifty years ago today, NASA announced that Mariner 9, the first spacecraft to orbit Mars, had completed all its mission objectives. It continued to send data home until October 1972.
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111 Feb 2022, 21:19
RT @NASAMars: Fifty years ago today, NASA announced that Mariner 9, the first spacecraft to orbit Mars, had completed all its mission objec…
RT @NASAMars: Fifty years ago today, NASA announced that Mariner 9, the first spacecraft to orbit Mars, had completed all its mi
RT @NASAMars: Fifty years ago today, NASA announced that Mariner 9, the first spacecraft to orbit Mars, had completed all its mission objec…