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Mars 3 was a robotic space probe of the Soviet Mars program, launched May 28, 1971, nine days after its twin spacecraft Mars 2. The probes were identical robotic spacecraft launched by Proton-K rockets with a Blok D upper stage, each consisting of an orbiter and an attached lander .
2 Δεκ 2021 · And on December 2, 1971, Mars 3 achieved orbit, then sent down a lander that became the first spacecraft to safely touch Mars. Mars 3 was meant to unleash a small rover, but contact was lost...
The Mars 2 was an uncrewed space probe of the Mars program, a series of uncrewed Mars landers and orbiters launched by the Soviet Union beginning 19 May 1971. The Mars 2 and Mars 3 missions consisted of identical spacecraft, each with an orbiter and an attached lander.
31 Ιουλ 2020 · Mars 2 and Mars 3 were nearly identical missions -- each with its own orbiter module and descent/lander module -- launched just days apart on May 19 and May 28, 1971, and competing with...
20 Φεβ 2024 · Using a sophisticated landing system unmatched until later NASA missions like Pathfinder and Spirit, Mars 3 successfully landed on the Martian surface 50 years ago on December 2, 1971, becoming...
Two other Soviet launches at around the same time, Mars 2MV-4 No.1 and Mars 2MV-3 No.1 were 900-kilogram (2,000 lb) spacecraft, however both failed to leave Earth orbit due to problems with the upper stages of their carrier rockets.
1 Ιουν 1973 · Automatic interplanetary station Mars 2 was launched on May 19, 1971, at 19 hr 22 min 49 sec, and Mars 3, on May 28, 1971, at 18hr 26min 30 sec (Moscow time). re the necessary precision at the approach to the planet, three trajectory ' An ICARUS Invited Review Paper.
