Mariner 10 - First Mercury Flyby

First Mercury Flyby

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.

  • First Mercury encounter

  • 6 hours before closest approach

  • 6 hours after closest approach

Read more about this topic:  Mariner 10

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