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April 1, 2024
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15h 10min, jul 21, 1973 y - Mars 4 arrived at Mars on February, 1974, but failed to go into orbit due to a malfunction of its breaking engine

Added to timeline:

29 Jan 2018
0
0
421
MARS

Date:

15h 10min, jul 21, 1973 y
Now
~ 50 years ago

Images:

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