This Day In History
This Day In History
Monday, December 9, 2019

«Mariner 10»

March 29, 1974

NASA
NASA's Mariner 10 becomes the first spaceprobe to fly by Mercury. The first Mercury encounter took place at 20:47 UT on March 29, 1974, at a range of 703 kilometres (437 mi), passing on the shadow side.
Mariner 10, space probe, Mercury, NASA, space
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