Home Today Years Ago November 3, 1973: NASA Launches Mariner 10
November 3, 1973: NASA Launches Mariner 10
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November 3, 1973: NASA Launches Mariner 10

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Today in 1973, NASA launched its space probe Mariner 10 from Cape Canaveral. Almost 4 months later, it became the first probe to reach Mercury, which it studied extensively. It was also the first spacecraft to make use of an interplanetary gravitational slingshot maneuver.